We look at what is known about the rare clotting conditions associated with the Johnson & Johnson vaccine, their frequency and the risks of COVID-19.
Background Science
The Facts on the Recommended J&J Vaccine ‘Pause’
The Evolving Science of Face Masks and COVID-19
A Guide to Johnson & Johnson’s COVID-19 Vaccine
A Guide to Moderna’s COVID-19 Vaccine
Q&A on COVID-19 Vaccines
A Guide to Pfizer/BioNTech’s COVID-19 Vaccine
Q&A on COVID-19 Antibody Tests
The Facts on Coronavirus Testing
Federal officials have provided confusing and sometimes contradictory statements about the number and availability of tests to diagnose new coronavirus infections. We’ll explain how testing works, what happened with the CDC’s coronavirus test and what’s known about how many tests are available in the U.S.