Qualifying COVID-19 symptoms for initiating illness visits
sore throat, muscle aches, illness, fatigue, fever, loss of taste, diarrhea, loss of smell, cough, congestion, headache, nausea,, runny nose, chills, aches, shortness of breath
SORE THROAT, CONGESTION
Study participants who experienced any duration of fever, shortness of breath, difficulty breathing, ≥2 days of chills, cough, fatigue, muscle aches, body aches, headache, new loss of taste, new loss of smell, sore throat, congestion, runny nose, nausea, vomiting, or diarrhea were requested to contact their study site to initiate illness visits (