States like Kerala and Kolkata are witnessing a surge in Swine flu cases currently. Swine flu or H1N1 is an infection that is a type of flu or influenza virus. The infection is called swine flu because it is similar to a flu virus that affects pigs also called swine.

But who are risk and what are its symptoms? New Delhi: With the onset of monsoon, respiratory illnesses, skin infections and cold and flu cases see a spike. Apart from Dengue, Zika virus and Chikungunya cases on the rise across various states in India, Kolkata is currently seeing a spike in swine flu or H1N1 cases in many hospitals in the city, reported TOI . Amid such a situation, the hospitals in the city have boosted up their testing process and one of them has also started an isolation ward to prevent the spread of the virus.

Additionally, Kerala also witnessed a sudden spike in H1N1 cases with 200 confirmed cases and four deaths reported in the first week of July. While in June, the state logged 345 confirmed cases and five deaths. Swine flu or H1N1 is an infection that is a type of flu or influenza virus, according to the Cleveland Clinic.

The infection is called swine flu because it is similar to a flu virus that affects pigs also called swine. The virus commonly leads to respiratory disease in pigs and humans, it is called the H1N1 virus that causes respiratory infections in humans. Who is at risk? Dr Anantha Padmanabha , Senior Consultant, Internal Medicine, Fortis Hospital, Nagarbhavi, Bengaluru told Ne.