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News updates from October 20: US approves 'mix and match' vaccines, PayPal weighs Pinterest purchase, Bundesbank chief Weidmann to step down | Financial Times
Coronavirus: Week of Oct. 10 to Oct. 16, U.S. OKs overseas arrivals who mixed their vaccines - Nikkei Asia
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Germany recommends mixing Covid vaccines, saying it gives 'significantly superior' immune response | Daily Mail Online
Mixing Pfizer and AstraZeneca COVID-19 vaccines increases mild side effects but is safe, study shows - MarketWatch
Allowing people to mix COVID-19 vaccines could cut into Pfizer and Moderna's revenue next year - MarketWatch
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COVID-19 tracker: Pfizer, Moderna vaccines sharply cut hospitalizations in older adults, CDC data show | Fierce Pharma
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COVID-19 tracker: Omicron variant could cause global surge, WHO says; J&J recipients opt for other boosters | Fierce Pharma
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