A new study suggests that the COVID-19 vaccines developed by Pfizer-BioNTech and Moderna-NIAID are highly effective at preventing symptomatic and asymptomatic infections in real-world settings.
A new study suggests that the COVID-19 vaccines developed by Pfizer-BioNTech and Moderna-NIAID are highly effective at preventing symptomatic and asymptomatic infections in real-world settings.
