RIO DE JANEIRO, BRAZIL - The President of Mexico, Andrés Manuel López Obrador, warned this Tuesday (17) that pharmaceutical companies are now seeking to sell booster doses of Covid vaccines without necessarily having scientific evidence on the matter.
At the press conference from the National Palace, a journalist asked him about the recent recommendation of the Chinese pharmaceutical company CanSino to apply a second dose of its product, which was applied mainly to teachers in Mexico.
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