IPAC-RS Pharmaceutical Aerosols Resource Center (PARC)
The IPAC-RS Pharmaceutical Aerosols Resource Center (PARC) brings you information about science and regulation of medicinal aerosols and delivery systems – including those involved in addressing COVID-19. This page is updated regularly with up-to-date information from government agencies and other authoritative sources.
IPAC-RS Roundtables
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IPAC-RS organizes roundtables with thought leaders to discuss key regulatory and scientific topics in respiratory products. See Roundtables webpage for recordings and schedule of upcoming webinars.
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IPAC-RS GRRO China held a roundtable with the Chinese National Institutes of Food and Drug Control, the Chinese Pharmacopoeia and the Chinese Pharmaceutical Industry Association on December 17, 2020. Discussions included an overview of OINDP-relevant activities in China and other regions, and Q&As. Materials available to IPAC-RS members. **
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The IPAC-RS Materials Working Group held a roundtable discussion with MedPharmPlast Europe (MPPE) on November 16, 2020. Topics ranged from MDR implementation, REACH requirements, perfluoro-alkane discussions, and titanium dioxide legislation. Materials available to IPAC-RS members. **
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“Implications of European Medical Device Regulations (MDR) Article117 for Drug-Device Combination Products: A conversation with Notified Bodies (TÜV SÜD and BSI)” on Nov 6, 2020. A summary is available to IPAC-RS members. ** Further interactions with stakeholders interested in MDR implementation are planned for 2021.
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“A Conversation with the FDA: Perspectives in the Time of COVID-19” on Nov. 2, 2020. A summary is available here. Further discussions are planned for 2021.
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IPAC-RS GRRO Brazil and Population Bioequivalence (PBE) Knowledge Network held a webinar with Anvisa staff and Brazilian CROs/Testing labs in March 2020. Materials available to IPAC-RS members. **
** Become an IPAC-RS member for full access to these materials. Contact the IPAC-RS Secretariat (info@ipacrs.org) for information.
"Inhalation 101" Resources and Courses
Regulatory Information and Guidance for Drugs and Drug-Device Combinations
Medical Devices - Regulatory Information and Guidance
European Medical Device Regulations (MDR)
Key Publications and Journals
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A handbook on cascade impaction measurements and data analysis
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A handbook on leachables and extractables
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The Journal of Aerosol Medicine and Pulmonary Drug Delivery, a peer-reviewed journal with authoritative coverage of developments in the science of inhaled aerosols.
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OINDP News provides updates on business, medical, and regulatory developments taking place in the industry.
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“OnDrugDelivery” publishes articles on current trends in drug-device combination products, including those for pulmonary or intranasal delivery.
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University-level lectures “Virology 2021”
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A new comprehensive resource for OINDP developers, entitled “Inhaled Medicines: Optimizing Development through Integration of In Silico, In Vitro and In Vivo Approaches.” Many of the authors were participants in SimInhale.
"Inhalation 101" Resources and Courses
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Definitions matter! What is an “aerosol”? What is “respirable”? Read this engaging article about the consequences of unharmonized or inconsistent definitions.
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IPAC-RS presentations and Cascade Impaction free online tutorials.
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Drug Delivery to the Lungs (DDL) conferences
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International Society for Aerosols in Medicine (ISAM) Textbook and 2021 Congress
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Respiratory Drug Delivery (RDD) elearning modules and conferences
Regulatory Information and Guidance for Drugs and Drug-Device Combinations
Medicinal products for delivery via respiratory tract (orally inhaled or intranasal drug products) typically combine the medicinal formulation (“drug”) and a delivery system (“device”). Depending on their configuration and primary mode of action, they are regulated as drugs, or as devices, or as drug-device combination products.
Regulatory agencies around the world have been actively supporting efforts to curb and combat the SARS-CoV-2 pandemic, and to adjust their other activities accordingly.
United States - Guidance for Drugs and Drug-Device Combinations
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Recordings from the August 25, 2021 FDA workshop on chemistry, manufacturing and controls (CMC) inspections during the COVID-19 public health emergency.
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FDA Final Rule on “intended uses” clarifies definition of a product as a drug or a device – which, in turn, determines its regulatory pathway and requirements. The Rule is effective as of Sept. 1, 2021.
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FDA YouTube channel with educational resources for industry and consumers. See, in particular, the Small Business and Industry Assistance (SBIA) playlist explaining fundamentals of Drug Master Files, Clean Rooms and other topics.
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An explanation of which types of inhalers or components are regulated by which center at FDA – a “Jurisdictional Update”
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A brief summary of the US regulatory requirements for inhalers and related products.
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FDA guidances for drug-device combination products
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US FDA slides and recordings from the July-2020 webinar “Pharmaceutical Quality for Global Stakeholders”
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These materials provide easy-to-understand advice and information related to US FDA quality requirements for pharmaceutical and biological (biotech) products. Topics addressed include: drug shortages, manufacturing operations, data reliability, facilities inspections, quality surveillance and enforcement, FDA’s work outside the US, drug master files (DMFs), overview of existing and anticipated guidance documents, applicable international guidelines (such as from ICH), and other key areas.
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Up-to-date information on drug shortages and medical device shortages
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FDA guidance for inspections during the pandemic (August 2020)
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FDA guidance for development and licensure of vaccines to prevent COVID-19
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FDA commissioned independent report on PDUFA VI combination product review activities including pre-request for designations, request for designations, inter-center consult requests and application submissions (August 2020)
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FDA final guidance on control of nitrosamine impurities in human drugs (September 2020)
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“FDA Guidance on Conduct of Clinical Trials of Medical Products during COVID-19 Public Health Emergency” (March 2020, Updated: July 3, 2020)
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“Policy for Coronavirus Disease-2019 Tests During the Public Health Emergency” (Updated: May 2020)
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“Manufacturing, supply chain, and drug inspections | COVID-19” (April 9, 2020)
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“Coronavirus (COVID-19) Update: FDA Takes New Actions to Accelerate Development of Novel Prevention, Treatment Options for COVID-19” (May 11, 2020)
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“COVID-19: Developing Drugs and Biological Products for Treatment or Prevention – Guidance for Industry” (May 2020)
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“Bioequivalence Studies for Submission in ANDAs during the COVID-19 Pandemic” (April 28, 2020)
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“Effects of the COVID-19 Public Health Emergency on Formal Meetings and User Fee Applications — Questions and Answers” (May 2020)
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“Statistical Considerations for Clinical Trials During the COVID-19 Public Health Emergency Guidance for Industry” (June 2020)
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“FDA OPQ Quality Report for Fiscal Year 2019” (February 2020)
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“Product-Specific Guidances for Generic Drug Development” (Date Unknown)
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The FDA created a special emergency program for potential COVID-19 therapies, the Coronavirus Treatment Acceleration Program (CTAP), to support clinical trials that are testing new treatments for COVID.
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For further guidance from the FDA, see its list of COVID-19 resources published in the Federal Register.
Europe - Guidance for Drugs and Drug-Device Combinations
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EMA introduced new transparency measures due to COVID-19
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EMA issued updates to its guidance for virtual GCP inspections
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“Points to consider on implications of Coronavirus disease 12 (COVID-19) on methodological aspects of ongoing clinical 13 trials” (March 2020, Updated: June 26, 2020)
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“Guidance on the Management of Clinical Trials During the COVID-19 (Coronavirus) Pandemic” (Updated: April 28, 2020)
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UK’s regulatory agency MHRA has issued a number of guidance documents for the post-transition period starting January 1, 2021.
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Updated Q&As, practical guidance, and templates for regulatory submissions provided by the Heads of Medicines Agencies
Brazil - Guidance for Drugs and Drug-Device Combinations
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Anvisa’s main page on COVID-19 provides links to pages containing legislations relevant to medicines and medical devices, approved clinical trials for treatments or preventative medicines, monitoring safety and quality of products being used to address COVID-19, and timelines of Anvisa actions.
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Notice on requirements for companies to report daily on manufacture, import and distribution of anesthetics, sedatives, neuromuscular blockers and adjuvant agents, and other drugs used to sustain COVID-19 patients.
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Anvisa provides detailed information and resources on masks and standards for masks used in health care settings.
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Anvisa has issued an updated guideline on conduct of clinical trials and bioequivalence studies during the COVID-19 health emergency. (June 15, 2020)
China - Guidance for Drugs and Drug-Device Combinations
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“Chinese Clinical Guidance for COVID-19 Pneumonia Diagnosis and Treatment” (March 16, 2020)
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“Chinese Guideline(s) of Diagnosis and Treatment of COVID-19” (March 18, 2020)
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The Chinese State Administration for Market Regulation has finalized the “Administrative Measures for Drug Registration” and "Administrative Measures for Drug Production,” regulations that describe regulatory expectations and concepts for drug approval, registration and manufacture, respectively.
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The NMPA’s main COVID-19 related site provides links to current news announcements, and NMPA actions related to COVID-19 medicines and medical devices. It also contains a cases reported tracker.
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A general description of how the NMPA regulates SARS-CoV2 detection tests and protective equipment, including medical-grade masks.
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The CDE guideline on conductance of clinical trials during the COVID-19 is available.
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An overview of the standard system for pharmaceutical excipients and packaging materials in the fourth part of the 2020 edition of the Chinese Pharmacopoeia.
Inhalers and the Environment
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IPAC is a consortium that addresses regulatory, scientific and technical topics related to the propellants used in metered dose inhalers (MDIs).
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US Environmental Protection Agency (EPA) is responsible for issuing rules and guidances affecting MDI propellants.
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Kigali Amendment to the Montreal Protocol (intended to protect the ozone layer).
Medical Devices - Regulatory Information and Guidance
The regulation of medical devices is complex and often jurisdiction-specific. To help you better navigate this uncertainty, we have compiled the following list of resources of regulatory guidance and requirements by country.
Brazil - Medical Devices
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In response to the COVID-19 pandemic, Anvisa defined temporary criteria and procedures for certification of Good Manufacturing Practices for registration and post-registration changes of medicines, supplies, and health products. “Coronavirus: alternatives to GMP certification” (March 13, 2020, Updated: March 18, 2020)
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Anvisa is prioritizing the evaluation of products for the diagnosis of COVID-19 and other agents that cause respiratory infections. “Covid-19: diagnostic products will have priority” (December 3, 2020, Updated: March 18, 2020)
China - Medical Devices
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The National Medical Products Administration (NMPA) is providing a running list of emergency approved detection products for COVID-19 related use. These include nucleic acid as well as antibody detection kits. “State Food and Drug Administration emergency approval of new coronavirus detection products” (March 16, 2020)
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The NMPA has developed guidelines for the evaluation of passive medical device product raw material changes. Although these do not include OINDP, the information provides NMPA perspectives regarding expectations on change control for device components and container closure systems. (May 13, 2020)
Europe - Medical Devices
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The European Commission’s Medical Device Coordination Group (MDCG) issued a template for clinical evaluation of medical devices.
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The European Medicines Agency (EMA) provides guidelines and other information for medical devices. The EU has postponed the implementation date of new Medical Devices Regulation until May 26, 2021. More information about the EMA’s recent activities can be found in its Annual Report for 2019. Recent key guidelines from the EMA include:
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“Questions and Answers on Regulatory Expectations for Medicinal Products for Human Use during the COVID-19 Pandemic” (April 10, 2020, Updated: July 1, 2020)
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“Quality requirements for drug-device combinations” (Draft Guideline) (March 6, 2020)
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“Questions & Answers on Implementation of the Medical Devices and In Vitro Diagnostic Medical Devices Regulations ((EU) 2017/745 and (EU) 2017/746)” (October 21, 2019)
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Additionally, the European Commission (EC) has published important guidelines, including:
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The regulation of medical devices in the European Union occurs at the member state level. For more guidance regarding the regulation of medical devices in a specific EU member state, see the following:
Russia - Medical Devices
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Monthly summary of changes to medical device regulations in Russia and the Eurasian Union
United States - Medical Devices
History of FDA regulation of medical devices 1976-2020
The Association for the Advancement of Medical Instrumentation® (AAMI) publishes resources to assist developers and manufacturers of ventilators and other medical equipment.
The US Food and Drug Administration’s Center for Devices and Radiological Health (FDA CDRH) is responsible for regulation of medical devices in the United States. CDRH publishes guidance documents for industry as well as information and resources for healthcare providers and general public. CDRH maintains a free public catalogue of regulatory tools for evaluation of medical devices. Additionally, FDA CDRH maintains a webpage specifically dedicated to COVID-19 diagnostic tests, ventilators, and personal protective equipment (PPE).
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FDA has issued a temporary guidance, “Resuming Normal Drug and Biologics Manufacturing Operations During the COVID-19 Public Health Emergency” (Sept 2020). This adds to related guidance such as “Planning for the Effects of High Absenteeism to Ensure Availability of Medically Necessary Drug Products” released previously (March 2011).
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FDA guidance regarding registration of medical devices during the COVID-19 pandemic (August 2020)
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FDA Q&As regarding importation of medical devices into the US (Aug 2020)
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FDA issued final guidance for Multiple Function Device Products (July 2020)
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Final Guidance on Device Establishment Inspection, Processes and Standards (June 2020)
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“Review and Update of Device Establishment Inspection Processes and Standards” (June 2020)
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“Process for Publishing Emergency Use Authorizations for Medical Devices During Coronavirus Disease 2019” (June 2, 2020)
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FDA published a compliance guide for CDER and CDRH inspections of combination products. (June 4, 2020)
Agencies of different countries do cooperate where appropriate. See, for example:
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European Commission, EMA and FDA agree new priorities to strengthen their collaboration on medicines, June 2020
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The General Directorate of Health and Food Safety (DG SANTE) of the European Commission (EC) declared that Brazil’s regulatory framework remains equivalent to European control standards regarding the export of pharmaceutical inputs to the EU. (February 18, 2020)
European Medical Device Regulations (MDR)
In Europe, Notified Bodies (NBs) are involved in review of medical devices. Their exact role and processes are changing under the MDR. Click here to access current information, including a list of Designated NBs.
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This paper "Joint Implementation/preparedness plan on the new Medical Devices Regulation 2017/745 (MDR)” (March 11, 2020) outlines the joint Commission and Member States plan to ensure that the Medical Device Regulation is in place by May 2020.
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“Guidance on significant changes regarding the transitional provision under Article 120 of the MDR with regard to devices covered by certificates according to MDD or AIMDD” (March 16, 2020)
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The European Commission’s assessment of the Notified Bodies’ capacity (July 2020)
International Standards and Guidelines
General COVID-19 Resources
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Vaccines and Therapeutics Trackers
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RAPS therapeutics tracker and vaccines tracker
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An international public-private partnership “Coalition for Epidemic Preparedness Innovations (CEPI)” is working to ensure a standardized assessment of various COVID-19 vaccines.
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FDA’s portal for regulatory and scientific information on COVID-19 vaccines
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Science and research news related to SARS-CoV-2 and COVID-19: Curated collections of articles and professional-societies guidelines:
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American Society for Clinical Pharmacology and Therapeutics (ASCPT)
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A compilation of international scientific news related to COVID-19
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Latest evidence from the European Centre for Disease Prevention and Control (ECDC)
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A free online recording of presentations from thought leaders in public health about the nature of the pandemic, the development of countermeasures, and regulatory considerations - organized by the Annals of Internal Medicine, first aired October 20, 2020
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Video of droplets and aerosols spread with and without masks
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Rethinking common practices during the pandemic: Small volume nebulizers (SVNs) vs pressurized metered dose inhalers (pMDIs) with valved holding chambers (VHCs)
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The International Society for Aerosols in Medicine (ISAM) published an appeal to decision makers
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An article with a lead author from the Bill and Melinda Gates Foundation proposed “best regulatory practices” during the pandemic.
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General guidance for the public about the COVID-19 pandemic in the United States.
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The Johns Hopkins’ COVID-19 Dashboard provides an interactive view of the spread of the virus across the world.
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As of July 2020, more than 90 vaccines against SARS-CoV-2 are in development. Nature.com has created a graphical guide to help us better understand the process of vaccine development. “The race for coronavirus vaccines: a graphical guide” (April 28, 2020)
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Cognitive biases in public-health responses to COVID-19
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The University of California, Berkley School of Public Health designed a free online COVID-19 education program, Managing the COVID-19 Pandemic: A Comprehensive Crash Course for Everyone, that addresses the main concerns and topics relevant to the COVID-19 pandemic, including its biology, epidemiology, diagnostics as well as basic concepts in modeling the spread of the virus.
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The rule of thumb for social distancing is “6 feet apart,” but is that distance really enough to prevent the spread of COVID? “Stay 6 Feet Apart, We’re Told. But How Far Can Air Carry Coronavirus?” (April 14, 2020, Updated April 20, 2020)
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"Ten Weeks to Crush the Curve” (April 23, 2020) outlines six strategies to help the United States stop the spread of COVID-19. “
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This research paper features an analysis of aerosol and surface stability of SARS-COV-2 as compared with SARS-Cov-1. (April 16, 2020)
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The Imperial College of London simulated the effectiveness of various public health measures (non-pharmaceutical interventions – NPIs) in combatting the spread of COVID-19 in the UK and the US. (March 16, 2020)
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For a look into the math surrounding infection rates in the context of a pandemic, see the following article. “The Promising Math Behind Flattening the Curve.” (March 24, 2020)
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Why is it that children account for less than 2% of identified cases of COVID-19? This research letter explores one possible answer. “Nasal Gene Expression of Angiotensin-Converting Enzyme 2 in Children and Adults” (May 20, 2020)
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“Wrong but Useful – What Covid-19 Epidemiologic Models Can and Cannot Tell Us” (May 15, 2020)
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“The Challenge of Tracking COVID-19’s Stealthy Spread” (April 23, 2020)
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“Breathing Is Enough: For the Spread of Influenza Virus and SARS-CoV-2 by Breathing” (June 17, 2020)
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The Novel Coronavirus Information Center, created by the information analytics firm Elsevier, provides free access to published, peer-reviewed research regarding COVID-19.
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Scientific and practical aspects of the numerous vaccines under development.