Third shot may be needed to combat new coronavirus variants, Bill Gates says – CBS News

A 3rd dose of coronavirus vaccine could also be wanted to forestall severe instances of recent variants of the illness, Bill Gates stated Tuesday. The billionaire philanthropist’s feedback come amid to the growing concern that present vaccines are much less efficient in opposition to the South African and Brazilian variants.

“The dialogue now’s will we simply have to get an excellent excessive protection of the present vaccine, or do we want a 3rd dose that is simply the identical, or do we want a modified vaccine?” Gates informed “CBS Evening News” anchor and managing editor Norah O’Donnell.

“All 5 of the businesses which have U.S. vaccines are taking a look at making that modification and including that in in order that individuals who’ve already had two photographs would possibly have to get a 3rd shot,” he stated. “I believe it is fairly probably that we’ll have a tuned vaccine simply to make completely certain that as these variants hit the U.S. that they are not escaping from vaccine safety.” 

Gates is funding research in South Africa to find out whether or not the AstraZeneca, Johnson & Johnson and Novavax vaccines have been as efficient in opposition to the extra contagious variant.

“AstraZeneca specifically has a problem with the variant. And the opposite two, Johnson & Johnson and Novavax, are barely much less efficient, however nonetheless efficient sufficient that we completely ought to get them out as quick as we will whereas we examine this concept of tuning the vaccine,” Gates stated. 

If the coronavirus just isn’t eradicated, he stated, further photographs could also be essential sooner or later. “In all probability not yearly, however so long as it is on the market, we would like as many Individuals as potential to not be spreading it to one another,” he stated. 

Dr. Scott Gottlieb, the previous head of the Meals and Drug Administration, told CBS Information’ “Face the Nation” on February 7 that he believed the vaccines at present being distributed within the U.S. would supply “affordable safety” in opposition to the brand new variants, even when they’re much less efficient in opposition to the brand new strains. Nonetheless, he stated, it could even be essential to administer booster photographs within the fall.

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