For most patients, the loss faded within weeks or months. But for a smaller group, taste never fully returned. Even years after infection, certain flavors remain muted or completely absent.

Researchers identify a reduction in the PLCβ2 protein as the cause for long-term sweet, bitter, and umami taste loss in post-COVID patients.

By Dr. Liji Thomas, MD Even after the virus disappears, some people continue to experience altered taste. New research ...