Table 2.
Signs and symptoms of COVID-19.
| Category | Symptoms | Reference |
|---|---|---|
| Asymptomatic | No symptom | (CDC, 2020d) |
| Common/mild symptoms | Fever, cough, and shortness of breath | (CDC, 2020k) |
| Complications/emergency symptoms | Pneumonia and acute respiratory distress syndrome (ARDS) | (CDC, 2020d) |
| Difficulty breathing, persistent chest pain or pressure, confusion, difficulty waking, and bluish face or lips; | (CDC, 2020d) | |
| Other symptoms | Muscle pain, sputum production, diarrhea, sore throat, loss of smell (anosmia), and abdominal pain. | (CDC, 2020d; Hopkins, 2020; Iacobucci, 2020; Palus, 2020) |
| Nausea, vomiting, and diarrhea | (C. Huang et al., 2020; Lai et al., 2020b) | |
| Chest tightness and palpitations | (Zheng et al., 2020) | |
| Less common symptoms | Upper respiratory symptoms, such as sneezing, runny nose, or sore throat | (CDC, 2020k) |