Obs of a Prnnl Lrnr Obsrvr who happens to be a dctr
There is no cure for curiosity-D Parker
Friday, 4 September 2020
COVIDITY X BLOD TYPE
symptomatic patients with COVID-19 and type O blood appeared to test positive at a significantly lower rate than patients who had types B or AB or a positive rhesus (Rh) factor.
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