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Covid-19 booster shot will likely be needed within a year of vaccination, Fauci says
By Virginia Langmaid & Amir Vera
India, Pfizer seek to bridge dispute over vaccine indemnity -sources
By Neha Arora, Carl R O'Donnell & Rupam Jain
Fauci Says He Expects Vaccines For Younger Children By The End Of Year Or Early 2022 : Coronavirus Updates
By Merrit Kennedy
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COVID-19 vaccine: What to do about side effects
By Lindsay Slowiczek
Canada has ordered more than 400 million COVID-19 vaccine shots: Here's the progress report
By John Paul Tasker
Answers to Your Questions About Covid Vaccines and Kids
By Apoorva Mandavilli, Tara Parker-Pope & Noah Weiland
Long Covid symptoms ease after vaccination, survey finds
By Natalie S Grover
How to build a vaccine fire hose
By Dylan Matthews
Hungary has opted out of new EU vaccine deal with Pfizer
By Francesco Guarascio & Jason Neely
Pfizer COVID-19 vaccine can be stored in refrigerator for a month, U.S. says
By Rashmi Aich, Mrinalika Roy & Peter Henderson
Spanish study finds AstraZeneca vaccine followed by Pfizer dose is safe and effective
By Nathan Allen & Inti Landauro
U.S. vaccinated 600,000 12-15-year olds last week -health official
By Carl R O'Donnell