#JohnsonAndJohnsonVaccine
The single-dose COVID vaccine with a complicated 2021.
Origin & Impact
J&J’s one-shot vaccine was authorized in February 2021, offering convenience over two-dose competitors. However, rare blood clot cases led to a temporary pause in April, damaging public confidence.
The #OneAndDone appeal attracted many, but the vaccine became a second-tier choice after safety concerns and lower efficacy data.
Related Hashtags
#PfizerVaccine #ModernaVaccine #VaccineSafety