About two years ago I pointed out that the ability of #thyroperoxidase to initiate the #Complement cascade via cleavage of C4 should lead to an increased frequency of #thyroid disease in cases where SARS-CoV-2 infiltrated the thyroid. A recent imaging study out of Thailand found abnormalities in 20% of convalescents.
Info on #TPO and C4: https://academic.oup.com/endo/article/144/12/5422/2880991
#ThyroidDisease: Unique #ComplementActivation profiles
https://www.sciencedirect.com/science/article/abs/pii/S1567576922001205