Prognosis

Fauci Favors Boosters for Some; Florida Mask Fight: Virus Update

Protesters wave French flags and hold placards near Place Joffre during a demonstration against France's Covid-19 health pass in Paris on Aug. 7.

Photographer: Nathan Laine/Bloomberg
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Anthony Fauci, the U.S.’s top infectious-disease doctor, said Covid-19 vaccine booster shots should be given “reasonably soon” to people with weakened immune systems. A third of Israeli adults over the age of 60 have already received a booster shot, as the country struggles to contain a surge in infections.