Moderna and Pfizer vaccines against Covid-19 are up to 90 percent effective at preventing infections, according to a new study conducted by the CDC.
Veuer’s Johana Restrepo has more.
Moderna and Pfizer vaccines against Covid-19 are up to 90 percent effective at preventing infections, according to a new study conducted by the CDC.
Veuer’s Johana Restrepo has more.
The Moderna and Pfizer vaccines are 90% effective in preventing asymptomatic infections according to study results (2:42). WCCO..