Countries that change established coronavirus vaccine schedules must be transparent, both to maintain public trust and so others can benefit from their knowledge.
The United States has invested more than $10 billion in Operation Warp Speed to fast-track SARS-CoV-2 vaccines from conception to market in 1 year. The result is 11 candidates reaching the final stage of Food and Drug Administration testing — a phenomenal improvement over past development timelines. Indeed, two SARS-CoV-2 vaccines are already available to Americans.
Join our medical expert and wellness editor for a conversation about vaccines, when schools and businesses may reopen, and if life will return to normal.
Should second doses be delayed? Should most adults receive half-doses? Scientists are pondering ways to get more shots into more arms.
IMPORTANCE Severeacuterespiratorysyndromecoronavirus2(SARS-CoV-2),theetiologyof coronavirus disease 2019 (COVID-19), is readily transmitted person to person. Optimal control of COVID-19 depends on directing resources and health messaging to mitigation efforts that are most likely to prevent transmission, but the relative importance of such measures has been disputed.