感冒、流感或COVID-19:了解症状 感冒体征和症状:症状起病:渐进;身体疼痛:轻微;咳嗽:常见;腹泻:罕见;疲劳,缺点:有时;发烧、发冷、发抖:罕见;失去味觉或嗅觉:永远不会;呼吸短促或呼吸困难:少见;鼻塞:常见;打喷嚏:常见; Sore throat: Common; Headache: Rare. Flu Signs and symptoms: Symptom onset: 2 days; Body aches: Common; Cough: Common; Diarrhea: Sometimes; Fatigue, weakness: Common; Fever, chills, shaking: Common; Loss of taste or smell: Never; Shortness of breath or difficulty breathing: Common; Stuffy nose: Common; Sneezing: Sometimes; Sore throat: Common; Headache: Common. COVID-19 Signs and symptoms: Symptom onset: 2 to 14 days; Body aches: Common; Cough: Common; Diarrhea: Sometimes; Fatigue, weakness: Common; Fever, chills, shaking: Common; Loss of taste or smell: Sometimes; Shortness of breath or difficulty breathing: Common; Stuffy nose: Rare; Sneezing: Rare; Sore throat: Common; Headache: Common. Learn more about COVID-19 at kp.org/coronavirus. Visit kp.org/flu for information on flu symptoms and care — and to find a flu shot location near you.