India, Aug. 18 -- Several hospitals in the city have reported a sharp rise in cases of 'long flu', a condition where influenza-like symptoms such as cough, fever, cold, body aches and fatigue continue for over four weeks. The trend has been observed in both children and adults, said doctors.

Normally, the flu symptoms subside within three to five days with proper medication and rest. However, doctors said from the past one month, there has been an increase in the number of patients experiencing prolonged illness, where cough, fatigue, and body ache linger far beyond the usual recovery period.

Dr Ameet Dravid, infectious diseases expert, Noble Hospital, said most of the patients who are taking more than three to four weeks to recover are...