A New Test Can Help Reveal If You're Immune to COVID-19

How much protection do you currently have against COVID-19? The answer depends on so much: whether you’ve already had COVID-19 (and if so, how long ago); whether you’ve been vaccinated. An international group of researchers recently developed a different tool to help assess COVID-19 immunity: a blood test that can measure T cells, white blood cells that work alongside virus-fighting antibodies to mount an immune response. That's awesome!

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Photo Credit: Lucas Vasques