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Month: June 2022

Pfizer and BioNTech say updated Covid-19 boosters show increased immune response against Omicron variant

By Carolyn Sung, CNN Two Pfizer and BioNTech Covid-19 vaccine boosters updated to target the Omicron variant show a substantially higher immune response than the current Covid-19 vaccine, the companies said Saturday. The companies tested a vaccine that targets Omicron BA.1 subvariant and bivalent booster — which targets two strains — that includes the current

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Ukrainian city of Severodonetsk now ‘completely under Russian occupation’ after months of fighting

By Tim Lister, Oleksandra Ochman, Olga Voitovych and Jeevan Ravindran, CNN The eastern Ukrainian city of Severodonetsk is “completely under Russian occupation,” the city’s head of military administration said Saturday, following months of grueling and bloody fighting. “The [Russians] appointed a commandant. But the city is so destroyed that it will be difficult for people

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