Covid vaccine, fourth dose: here are the countries that are evaluating the administration

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© Ansa

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ITALY / 1 – “In my opinion it is premature talk about the fourth dose, let’s see what happens with the passage of this variant, ”he said Pierpaolo Sileri, Undersecretary of Health. “Right now let’s go forward with the first few doses for those who have not done it and with the third dose for the booster, then science will tell us what is needed, “he adds

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