Highly efficient immune response in asymptomatic SARS-CoV-2 patients
Researchers in Singapore have investigated the role of SARS-CoV-2-specific antibodies and T-cells in asymptomatic individuals suffering from COVID-19. They found that, contrary to some initial hypotheses, asymptomatic individuals mount an adaptive immune response on par with symptomatic individuals, demonstrating that T cell response does not appear to be correlated with symptom severity.
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The COVID-19 pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), continues to spread around the globe. Countries such as the UK and USA are making strides in suppressing the virus with mass vaccine rollouts, but characterizing factors in disease severity between individuals remains important.