Yearly Flu shots

Why don't indian doctors recommend yearly flu shots? Doctors outside of India do recommend it. What are the benefits of yearly flu shots?
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Doctor Answers (1) on Yearly Flu shots

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Venkat Raghav Bangalore | General Physician
Hello.... Flu is most commonly caused by influenza virus ,but vaccination don't provide complete protection against influenza.. Since flu is seasonal person has to take it yearly. Cost effectivenes also important. Most of viral infection subsides on its own.Flu vaccines has to be updated regularly to provide optimal protection from the rapidly changing virus..
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