Santa Fe Springs, California, USA. 21st April, 2021. A GUARDaHEART lab technician processes blood samples for the new FDA EUA (emergency use authorized) IgG II Antibody Test that is being offered for individuals who have been vaccinated against COVID-19 at the No-Cost COVID-19 Antibody Testing event held at the Betty Wilson Center in Santa Fe Springs, California. This new antibody test is the most sensitive and specific to date for COVID-19 antibodies. GUARDaHEART is a nonprofit organization. Credit: Sheri Determan

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Photo credit: © Sheri Determan / Alamy / Afripics
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Keywords: blood, charity, gloves, guardaheart, lab, mask, nonprofit, processing, profit, sample, technician, vial