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  • CSIC The Spanish vaccine that wants to be an antivariate shield

  • Ómicron What we know (and what we don't) about the variant that worries the most and its possible origins

Preliminary laboratory studies indicate that two doses of the Pfizer / BioNTech vaccine may not provide sufficient protection against the

omicron variant

of the coronavirus, but three doses are capable of neutralizing it.

The pharmaceutical firms, in a statement released today, indicated that a group of patients who had received two doses of the vaccine against covid-19 showed an efficacy against the omicron variant 25 times less than against the virus in its previous variant.

This "indicates that

two doses of the BNTA162B2 vaccine may not be sufficient

to protect against infection with the omicron variant," the statement said.

But preliminary data also indicate that

"protection improves with a third dose of our vaccine,"

said Pfizer President Albert Bourla.

"We are going to develop a specific vaccine against the omicron variant and we hope to have it available by March," they added in the statement.

For his part, Ugur Sahin, president of BioNTech, declared that "the first data indicate that a third dose could offer a sufficient level of protection against the disease in any degree of severity caused by the omicron variant".

Omicron, considered "highly communicable" by the World Health Organization (WHO), was first detected in late November in South Africa and quickly identified in several countries, causing a wave of panic, especially in Europe, where contagions multiply.

According to the criteria of The Trust Project

Know more

  • Science and Health

  • Vaccines

  • Covid 19

  • Coronavirus

  • Pfizer vaccine

  • Omicron variant

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