Home News and Society 2 doses of J&J vaccine provides 94% protection, study says; US reaches death toll of Spanish flu: COVID-19 updates 2 doses of J&J vaccine provides 94% protection, study says; US reaches death toll of Spanish flu: COVID-19 updates News and Society 0 Comment Johnson & Johnson says its vaccine offers lasting protections. US reaches the death toll seen during the Spanish flu. Latest updates.
