How effective is the covid-19 vaccine against the delta variant?

COVID-19 vaccines protect people from getting infected and severely ill, and significantly reduce the likelihood of hospitalization and death. The best way to slow the spread of COVID-19 and to prevent infection by Delta or other variants is to get vaccinated.

How safe are covid-19 vaccines?

Millions of people in the United States have received COVID-19 vaccines, and these vaccines have undergone the most intensive safety monitoring in U.S. history. This monitoring includes using both established and new safety monitoring systems to make sure that COVID-19 vaccines are safe. COVID-19 vaccines cannot give you COVID-19.

Are Breakthrough infections from covid-19 vaccines contagious?

People who get vaccine breakthrough infections can be contagious. CDC is collecting data on vaccine breakthrough infections and closely monitors the safety and effectiveness of all Food and Drug Administration (FDA)-authorized COVID-19 vaccines.

Can the covid-19 vaccine cause myocarditis?

Since April 2021, there have been increased reports to the Vaccine Adverse Event Reporting System (VAERS) of cases of inflammation of the heart—called myocarditis and pericarditis—happening after mRNA COVID-19 vaccination (Pfizer-BioNTech and Moderna) in the United States.

COVID-19 vaccines are effective against severe disease and death from variants of the virus that causes COVID-19 currently circulating in the United States, including the Delta variant. Infections happen in only a small proportion of people who are fully vaccinated, even with the Delta variant.

How contagious is the delta variant?

View Larger The Delta variant is more contagious: The Delta variant is highly contagious, nearly twice as contagious as previous variants. Some data suggest the Delta variant might cause more severe illness than previous strains in unvaccinated persons.

Can fully vaccinated people still spread covid-19?

Consider an imaginary country with 100\% of people vaccinated, where the virus can still somehow spread. All Covid-19 deaths would be in vaccinated individuals. Of those 50 deaths in fully vaccinated people in England, all were in people aged 50 years and over, the data show.

How deadly is the covid-19 Alpha variant?

The data show that, overall, the fatality rate for confirmed cases of Covid-19 has been lower than it was with the Alpha variant, which was first spotted in the U.K. late last year and has since spread around the world. Public Health England pegged the fatality rate for Alpha at 1.9\%.