Jan 23, 2021
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USA allowed to mix different COVID-19 vaccines

The US Centers for Disease Control and Prevention (CDC) suddenly changed vaccination guidelines, allowing different vaccines to be mixed for the new coronavirus, writes the New York Times.

Under the new guidelines, patients will be able to swap one US-approved drug for another between two doses in “exceptional situations.” It is emphasized that the issue of safety and efficacy of mixing vaccines has not been studied.

The CDC also allows the interval between doses of vaccine to be extended to 6 weeks if a second dose cannot be given earlier.

CDC spokeswoman Kristen Nordland explained that these changes are necessary in order to “provide doctors with flexibility in exceptional circumstances.”

Earlier, the World Health Organization Committee said there was no link between the Pfizer and BioNTech coronavirus vaccine and deaths among the elderly.

In a statement, the committee noted that current reports do not show an increase in mortality among immunocompromised elderly people or any unusual characteristics of side effects after administration of the drug.

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