Fact Check: Can Covid-19 vaccines prevent transmission completely?

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Quick Take

A viral CNN interview shows Rochelle Walensky, Director of the Centers for Disease Control and Prevention (CDC) saying Covid-19 vaccines continue to prevent illness and death caused by the delta variant but not transmission. Referring to the interview, social media users have claimed that Covid-19 vaccines are not capable of stopping the virus. We fact checked and found the claim to be Half True.

The Claim

A media website named Audacy published an article titled, “CDC Director: Covid vaccines can’t prevent transmission anymore”. The post, “it is one of the only times the CDC has acknowledged that the vaccines are not capable of stopping the spread of the virus” based its facts on a commercial radio station of St. Louis, Missouri, USA.

Another news website named TheFirstTv published an article titled, WILL SHE BE BANNED? CDC Chief Says Vax Can’t ‘Prevent Transmission’ of COVID”.

Referring to the interview, a Facebook user wrote, “If the CDC director says vaccines can’t prevent transmission then why have vax mandates? If a massive majority of deaths from the virus had existing medical issues then why not target and protect most vulnerable in America? We all deserve the truth on the virus science and data”.

The social media post can be seen here.

Fact Check

Did CDC director Rochelle Walensky say that Covid-19 vaccines no longer prevent transmission?

Yes. However, her statement has been misinterpreted by social media users.

Covid-19 vaccines were never meant to prevent transmission completely. A study shows that vaccines reduce the chance of hospitalization and death. Another research claims that Covid-19 vaccines are an ‘important tool to decrease the spread of the virus and the rate of infection’.

A Covid-19 vaccine can protect you from a few minutes of interaction with someone at a grocery store, but it may not prevent infection from people you live with.

Do Covid-19 vaccines prevent infection?

Yes. To a certain extent. Covid-19 vaccines can protect you from getting the infection and spreading it among people.

A study shows that delta variant of Covid-19 spreads more easily than other variants and evades vaccine better. However, while efficiency of vaccines is reduced, they are still protective against the Covid-19 virus. Besides variant type, vaccination type and booster status are also responsible for acquiring the Covid-19 virus.

Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

Disclaimer
Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can further read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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