2 doses of J&J vaccine provides 94% protection, study says; US reaches death toll of Spanish flu: COVID-19 updates
Christal Hayes and John Bacon, USA TODAYComments Off on 2 doses of J&J vaccine provides 94% protection, study says; US reaches death toll of Spanish flu: COVID-19 updates
Johnson & Johnson says its vaccine offers lasting protections. US reaches the death toll seen during the Spanish flu. Latest updates.