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Hungary has opted out of new EU vaccine deal with Pfizer
By Jason Neely & Francesco Guarascio
Vaccine boosters could be necessary as soon as the fall
By Caitlin Owens
Long Covid symptoms ease after vaccination, survey finds
By Natalie Grover
Pfizer Vaccine Can Now Be Stored At Warmer Temperatures Much Longer : Coronavirus Updates
By Jane Greenhalgh
Children and the Covid Vaccine: Information for Parents
By Apoorva Mandavilli, Tara Parker-Pope & Sharon LaFraniere
Children, teens and COVID vaccines: where is the evidence at, and when will kids in Australia be eligible?
By Ushma Wadia, Christopher Blyth & Peter Richmond
Covid-19 booster shot will likely be needed within a year of vaccination, Fauci says
By Virginia Langmaid & Amir Vera
Spanish study finds AstraZeneca vaccine followed by Pfizer dose is safe and effective
By Nathan Allen & Inti Landauro
India, Pfizer seek to bridge dispute over vaccine indemnity -sources
By Neha Arora, Rupam Jain & Carl O'Donnell
Pfizer COVID-19 vaccine can be stored in refrigerator for a month, U.S. says
By Mrinalika Roy & Peter Henderson