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Study shows vaccines may protect against new COVID-19 strains—and maybe the common cold
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Study shows vaccines may protect against new COVID-19 strains—and maybe the common cold

by  Johns Hopkins University Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. Image captured and color-enhanced at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland. Credit: NIAID A new study by Johns Hopkins Medicine researchers provides evidence that CD4+ T lymphocytes—immune system cells also known as helper T cells—produced by people who have...