The main COVID symptoms have changed, research shows

(NEXSTAR) — Since the start of the COVID-19 pandemic, patients have reported dozens of different symptoms, ranging from cold and flu-like symptoms to more unique ones, including "COVID tongue."But like all viruses, the primary symptoms associated with COVID have changed and can vary based on your vaccination status, according to a new list released last week.
The ZOE Health Study — a joint effort by researchers at Massachusetts General Hospital, the Harvard T.H. Chan School of P