Hemoptysis is the medical term for coughing up blood or having blood-stained mucus. Another rare symptom was conjunctival congestion. (Express)

Spreading mainly through the droplet route, the virus causes mild symptoms in the majority of cases, the most common being: fever (80%), dry cough (56%), fatigue (22%) and muscle pain (7%); less common symptoms include a sore throat, a runny nose, diarrhea, hemoptysis and chills. (Physicians Weekly)

In case of onset of danger signs like shortness of breath, hemoptysis, altered mental status, patient should immediately inform the nearest health centre or call 011-23978046, said the document. (Outlook India)