Assess indoor aerosol transmission risk / air filter recommendation tool

Spreadsheet of best air purifiers

Air purifier reviews

Air purifier / monitors / mask reviews

Web app to calculate pathogen risk

CleanAirStars Portable Air Filters

Air purifier reviews

Native iOS/Android app for Aranet/Airvalent/Airsport/Inkbird IAM-T1

Webapp for indoor CO2 risk / mask fit recommendation

Webapp for indoor CO2 risk

The original webapp for indoor CO2 risk

In development Android app for CO2 risk

Map of covid action groups worldwide

Directory of mask blocs

The original air purifier lending library based in Chicago

Nonprofit promoting clean indoor air and supplying air purifiers

Nonprofit with an IAQ app / purifier in development

Organization aiming to build a collaborative global movement to improve air quality

Organization focusing on solving Long COVID and ME/CFS

Reliable, honest information on COVID-19 from public health, clinical, and research experts

Patient-led research and advocacy for #LongCovid and infection-associated chronic conditions

Open Air Quality Standards (GO AQS) are here to establish a new benchmark for clean air

Supporting families and raising awareness to families navigating the challenges of pediatric Long Covid.

A global network devoted to inspire collective action through science for a safer, healthier world

Data-informed advocacy to accelerate research on ME/CFS, Long COVID, and other infection-associated chronic conditions

A data platform for the world's most complex diseases

Patient led nonprofit 501c3 on MECFS and LongCovid

National monitoring effort to provide a comprehensive view of SARS-CoV-2, Influenza A+B, RSV, and other diseases in communities from Stanford University, Emory University and local wastewater and public health officials partner to produce actionable data.

Pandemic Mitigation Collaborative managed by Dr. Hoerger

Viral monitoring via wastewater deep sequencing for COVID-19 and other viruses

Public health analytics powered by wastewater

Verily provides quality, fast turnaround wastewater monitoring results for a broad array of pathogens to hundreds of sites across the United States.

CDC's wastewater trends

LitCovid is the most comprehensive resource on the subject, providing a central access to 467,702 (and growing ) relevant articles in PubMed

Curated timeline of COVID-19 studies

Visual overview of COVID-19 studies with topic specific links

Comprehensive yearly round-up of COVID-19 studies

Question/answer based guide for COVID-19

Topic based COVID-19 round-up

Presentation on COVID for doctors by Dr. Nancy Malek

Compilation of reputed sources for COVID-19

Frequently updated topic-based COVID-19 study posts by Sam Rhode

A raindrop collection of studies by Aquarius16

A raindrop collection of studies by JW

A raindrop collection of studies by Lauraallee

A german collection of studies

An easy-to-use roundup of resources pertaining to the COVID-19 pandemic

Al Haddrell's youtube channel featuring aerosol content

A list of the most recent long covid studies

COVID-19 treatment: real-time analysis of 6,138 studies

COVID Contact Tracing for events

Long COVID calculator

Assess the risk of viral transmission in indoor spaces using the Wells-Riley model.

Estimate COVID risk for customizable situations

COVID-19 Airborne Aerosol Transmission Estimator

A scientific investment and direct gifting fund for deploying quickly to high-value COVID projects

Find COVID-safe friendships, romance, virtual connections, jobs, housing, families

Pluslife analyzer

Find care providers who understand Long COVID

The astounding physics of masks

COVID-19 zines/informational graphics

A pocket CO2 sensor

The smallest CO2 monitor with an Android/iOS app

Indoor/outdoor air quality monitors

The famous and reliable indoor CO2 monitor

An affordable CO2 monitor using Sensirion's miniature CO2 sensor

Indoor air quality monitors

Indoor air quality monitors

Next-Gen Corsi-Rosenthal Box & Double-Barrel HEPA

Durable, heavy duty air purifiers

Airthings air purifiers

Levoitt air purifiers

Medify air purfiers

News, infographics and scientific mediation on indoor air renewal.

Blog about the dangers of bad indoor/outdoor air

Interactive, visual articles dedicated to informing the public and guiding policymakers by deepening understanding of today's health and science landscape.

COVID Information, Updates, and Commentary

Chronicling the Long COVID crisis

CA nonprofit dedicated to improving indoor air quality (IAQ) in PK-12 schools

Campaign to bring better air quality to the children of Bristol and beyond! Run by @erbrooker and others

A map of school districts and IAQ programs they use

A 90-minute Primer on COVID Safety For Schools

A parent-led organisation, supported by experts, working to improve air quality in classrooms. Founded in Hampshire

Hepa Filters / Clean Air Delivery Rates

Spreadsheet of IAQ/UVC Companies

COVID risk assessment for various activities (archive/defunt)