With a little help, your immune cells can be potent tumor killers. Steve Gschmeissner/Science Photo Library via Getty Images The COVID-19 mRNA-based vaccines that saved 2.5 million lives globally ...
The severity of SARS-CoV-2 infections has waned since 2020, and uncertainty about the value of annual COVID shots has helped drive down adult vaccination rates. Among veterans who received a 2024-2025 ...
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