Here’s how you can differentiate between Covid-19, flu, and H1N1Here’s how you can differentiate between Covid-19, flu, and H1N1

All three respiratory infections present very similarly with fever, cough, sore throat, tiredness, difficulty in breathing, stuffy nose, headache, and sometimes diarrhea, said Dr Sanjith Saseedharan

Recently, Dr Joyeeta Basu, a physician, took to Twitter to write that she hasn’t seen a single case of Covid-19 in the last four weeks in Delhi NCR. “Getting patients tested for both RAT and RTPCR. Mostly seeing a lot of Influenza A and H1N1,” her post read. However, according to a bulletin by the Delhi Health Department on Wednesday, the national capital logged six new Covid cases in the last 24 hours, with the case positivity rate at 0.13 per cent. As such, considering a rise in such cases, how can one differentiate between the flu, H1N1, and Covid-19?

Notably, H1N1, also called swine flu, is a virus similar to the influenza viruses that cause illness in pigs. On the other hand, flu, or the common cold, is quite frequent during winter and seasonal changes and is, often, harmless. There are more than 200-300 viruses that may cause the common cold. “In each virus type, there can be subtypes and variants. The majority of the common colds are caused by rhinoviruses, respiratory syncytial viruses, influenza type A and type B viruses, etc,” Dr Anantha Padmanabha, Consultant, Internal Medicine, Fortis Hospital, Nagarbhavi told in an earlier interaction. Covid-19, on the other hand, is caused by the SARS-CoV-2 virus and is considered highly infectious. While many may experience mild to moderate respiratory illness and recover without requiring special treatment, others may become seriously ill and require medical attention. Older people and those with underlying medical conditions like cardiovascular disease, diabetes, chronic respiratory disease, or cancer are more likely to develop serious illness, according to the World Health