(ANSA) - WASHINGTON, JUL 30 - The Delta variant of the coronavirus causes a more serious infection than the variants previously discovered and spreads easily like lavaricella.
Not only that: the data show how fully vaccinated people can transmit it as well as unvaccinated people.
This is what we read in a document obtained by the Washington Post and drawn up by the CDC, the highest US federal health authority.
In the presentation, in the form of slides, an appeal is therefore made to the government: we need to change the message and recognize how "the war has changed".
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