Coronavirus deranges the immune system in complex and deadly ways

There's a reason soldiers go through basic training before heading into combat: Without careful instruction, green recruits armed with powerful

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Second dose of Pfizer-BioNTech COVID-19 vaccine may not benefit previously infected individuals

Researchers at the NYU Grossman School of Medicine have shown that a second dose of the Pfizer-BioNTech BNT162b2 vaccine may

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