(1/3) Case series describing catastrophic vascular events (stroke, heart attack, blood clot cutting off blood to a limb), in 4 young people with previously asymptomatic COVID-19 in Singapore, 1-3 months after infection.

H/T: @schokomint. https://link.springer.com/article/10.1007/s11239-020-02332-z
(2/3) The 4 people in this case series were aged 38, 38, 39, and 49.

While rare (thousands were infected in Singapore) this suggests SARS-CoV-2 infection may result in low-grade blood vessel inflammation which may persist for weeks or months, & increase the risk of blood clots.
(3/3) This suggest even asymptomatic infection carries some risks.

The authors conclude “catastrophic vascular events can occur unexpectedly in fit patients with mild or asymptomatic COVID-19 infection and may unpredictably happen many weeks later.”

Aim for #ZeroCOVID.
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