Fourth COVID-19 vaccine offers protection against variant Omicron

This is the result of a study conducted by Israel in the context Omicron variant have advantages.

The estimated effect of fourth dose of COVID-19 vaccine between the 7th and 30th day after injection compared with the 3rd dose given at least the fourth month prior to 45% against COVID-19 infection, 55% against symptoms, 68% were against hospitalization, 62% against advanced disease, and 74% against death.

In a report published April 13 in the New England Journal of Medicine, the study compared 182,122 people aged 60 and over who received the fourth dose and 182,122 who received the third dose.

“The results of our real-world study suggest that the fourth dose of the vaccine is, at least initially, effective against the Omicron variant,” the researchers said. will allow further assessment of the protective ability of the fourth shot over time.”

A larger, recently published Israeli study, which looked only at the rates of breakthrough infection after vaccination and serious illness after the fourth dose, found a rapidly diminishing effect on the ability to fight the disease. infectious but stable for resistance to advanced disease.

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