According to a CDC study, vaccines marketed are really effective to prevent severe Covid, even when it comes to the Delta variant. They add unvaccinated people are eleven times more likely to die of the disease than people vaccinated.
As several vaccines are beginning to share their clinical trial results, their effectiveness can be very different. 70%, 80%, 90%... What do these number mean? Keep reading to find out more!
According to data already made available Covid vaccines on the market or being approved protect from being contaminated, but do they prevent from transmitting the virus to somebody else? We try to answer this question.
