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Of the winter. today's study adds to growing evidence that, over time, covid vaccines become less effective at stopping infections. it examined 1.2 million positive test results between may and july this year and found that protection from the pfizer vaccine seemed to reduce from 88% to 74% over 5—6 months, and astrazeneca from 77% to 67% over 4—5 months. importantly, this is about preventing a covid infection. hospital figures suggest that both vaccines have continued to protect against severe illness in many people. public health england estimates that nearly 85,000 deaths have been prev...

Who received the vaccines earliest, that is the elderly, the health care workers, are beginning to lose their protection against serious illness. public health england estimates nearly 85,000 deaths have been prevented as a result of the covid—i9 vaccination programme in england so far. however, the study�*s lead investigator said vaccine efficacy could drop to 50% by the winter and boosters would be needed. it is bringing into focus the need for some action. we can'tjust sit by and see the protectiveness slowly waning while cases are still high and a chance of infection still high as well...

Ahead of the winter. today's study adds to growing evidence that, over time, covid vaccines become less effective at stopping infections. it examined 1.2 million positive test results between may and july this year and found that protection from the pfizer vaccine seemed to reduce from 88% to 74% over 5—6 months, and astrazeneca from 77% to 67% over 11—5 months. importantly, this is about preventing a covid infection. hospital figures suggest that both vaccines have continued to protect against severe illness in many people. public health england estimates that nearly 85,000 deaths have be...

Today's study adds to growing evidence that, over time, covid vaccines become less effective at stopping infections. it examined 1.2 million positive test results between may and july this year and found that protection from the pfizer vaccine seemed to reduce from 88% to 74% over 5—6 months, and astrazeneca from 77% to 67% over 4—5 months. importantly, this is about preventing a covid infection. hospital figures suggest that both vaccines have continued to protect against severe illness in many people. public health england estimates that nearly 85,000 deaths have been prevented as a resu...

Obviously we are having to watch that very closely during the current wave, and seeing if there any signs of people who received the vaccines earliest are beginning to lose their protection against serious illness. public health england estimates that nearly 85,000 deaths have been prevented as a result of the covid—19 vaccination programme in england so far. however, the study�*s lead investigator said vaccine efficacy could drop to 50% by the winter, and boosters would be needed. �* , , ., winter, and boosters would be needed. �*, , ., , needed. it's bringing into focus this need for...