I've been getting a lung infection every year, and it usually starts with a sore throat. A doctor suggested that I get the influenza vaccine. I'm a bit worried about any potential side effects. Can you give me some insight on that? Also, do you know where I could get it done in Dwarka, Delhi?

Yes ,continue flu vaccination every year .Side-effects include fever,pain at the site of injection ,rash,swelling ,headache and allergic reactions.