Vishal Rai and Hema Moran

The flu was back in the headlines last year. A rise in the number of H3N2 influenza cases was reported in Delhi & surrounding National Capital Region (NCR), with one report that almost 69% of families in Delhi NCR were affected by this virus. Outpatient clinics were packed with patients complaining of fever, sore throat, cough & prolonged weakness. According to doctors, recovery was slower in this season than usual, with many working professionals affected.

So, the question is, what makes influenza so uncertain and relentless? The answer lies in the intricate and at times alarming biology of influenza viruses. Let us take a look at some of the facts about this virus…read more on NOPR