輝瑞疫苗試驗時 confirmed Covid-19 的標準

positive SARS-CoV-2 NAAT 

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症狀：

Fever;
New or increased cough;
New or increased shortness of breath;
Chills;
New or increased muscle pain;
New loss of taste or smell;
Sore throat;
Diarrhea;
Vomiting.
Fatigue;
Headache;
Nasal congestion or runny nose;
Nausea

另，severe COVID-19 case 症狀 。。。。略。。。