As Delta spreads, some travellers double up on Covid-19 vaccine in US

Alison Toni felt lucky to get Sinovac’s Covid-19 vaccine in Chile earlier this year. A month later, she was in Minnesota getting vaccinated again. Toni, an American living in Chile, was visiting her parents in Minneapolis in April when she got her first Pfizer shot at a CVS pharmacy. She travelled back for the second … Read more

Joe Biden administration plans for vaccine boosters, perhaps by fall

With a stockpile of at least 100 million doses at the ready, Biden administration officials are developing a plan to start offering coronavirus booster shots to some Americans as early as this fall, even as researchers continue to hotly debate whether extra shots are needed, according to people familiar with the effort. The first boosters … Read more

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