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4th COVID vaccine dose effective in protecting people over 60: Study

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ISRAEL: A new Israeli-led study has found that the fourth dose of COVID-19 vaccine is effective for protecting people aged 60 and above, Israel’s largest healthcare organisation Clalit said on Thursday.

The study found that a fourth dose can reduce the possibilities of symptomatic infection, hospitalisation, serious illness and mortality among the elders, Clalit said, Xinhua news agnecy reported.

In the study, published in the New England Journal of Medicine, Clalit researchers and their colleagues from Harvard University in Boston analysed data from 182,122 Clalit members, all aged 60 and above, who received Pfizer’s fourth dose.

The control group included the same number of people in the same age group, who received the third dose at least four months earlier and were not vaccinated with the fourth dose.

The study evaluated the efficacy of the fourth dose between January 3 and February 18, when the Omicron variant was dominant in Israel.

It found that within a period of 14 to 30 days after receiving the fourth dose, 52 per cent efficacy was observed against infection, 61 per cent against symptomatic coronavirus, 72 per cent against hospitalisation, 64 per cent against severe COVID, and 76 per cent in preventing death, all compared with the control group.

– IANS

 

Monday, April 18, 2022 – 01:00











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