The Minister of Science, Technology and Innovation, Roberto Salvarezza, stressed this Saturday that “probably you will have to give booster doses or change the vaccine if it is not effective against a new variant.” This was stated in radio statements when referring to the effectiveness of the coronavirus vaccines.
“Today there are many questions. Some ask the duration of the immunity conferred by the vaccine,” said the official in dialogue with AM 750. “We still do not know for sure how long the vaccine that began to be applied provides immunity. in December of last year. We have to analyze how antibodies and cellular immunity evolve to say how long immunity will provide us with the vaccines“he added.
The developers of the Sputnik V vaccine recently announced that theirs is “the most efficient against Delta variant“According to a study presented by the Gamaleya Center. In that sense, last Thursday they announced that they will offer other manufacturing laboratories”a booster shot, adjusted to work against the Delta variant “, first detected in India.
Salvarezza estimated that “in other diseases, such as the flu, vaccines must be changed every year” and that “the appearance of new variants complicates the picture”, since, “in many cases vaccines and antibodies that we generate may not be effective for new variants. So “You have to think that you will probably have to give booster doses or change the vaccine if it is not effective. “
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