Omicron significantly reduces Covid antibodies generated by Pfizer vaccine, study finds



The research head of a laboratory at the Africa Health Research Institute in South Africa said on Tuesday that the Omicron variant of the coronaviruses can partially evade the protection of two doses of Pfizer Inc and partner BioNTech's COVID-19 vaccine. The study showed that the blood from people who had received two doses of the vaccine and had a prior infection was mostly able to destroy the variant, suggesting that booster doses of the vaccine could help to fend off infections. Alex Sigal, a professor at the Africa Health Research Institute, said there was a drop in neutralization of the Omicron variant.

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There was a sharp increase in new COVID-19 cases on Monday.

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Drug developers have some good news as the world frets about the omicron coronaviruses variant causing a surge of cases and weakened vaccines. Two new COVID-19 pills are coming soon, and are expected to work against all versions of the virus. molnupiravir is a pill that reduces the risk of hospitalization and death from COVID-19 by 30% if taken within five days.

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The first look at how Omicron may impact immunity is given by two small studies.

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The coronaviruses omicron variant may have been developed in a single person.

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