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– WASHINGTON, AUGUST 18 – The United States will begin broadly distributing third doses of the Covid vaccine next month, starting on September 20. This was announced by the US health authorities. “The available data clearly shows that protection against coronavirus infection decreases with time, and coinciding with the Delta variant, we begin to see reduced protection against mild and moderate disease. We have concluded that a recall is necessary. to maximize vaccine protection and extend its shelf life, “reads a statement.
The note is signed by the director of the Centers for Disease Prevention (CDC) Rochelle Wakensky and the head of the Food and Drug Administration (FDA) Janet Woodcock. The inoculation of the third dose of Pfizer or Moderna, it is explained, will therefore have to be carried out eight months after the second.