How many months old can get the flu vaccine?
Currently, influenza virus has 4 strains A, B, C, D and many different subspecies, of which influenza A and B strains are the most dangerous and frequent.
Your baby may have contracted the flu and recovered from it, but getting the flu shot is essential to protecting your child from another strain of the flu virus.
Current flu vaccines can prevent 4 dangerous strains of influenza viruses: influenza A/H1N1, influenza A/H3N2, influenza B/Yamagata and influenza B/Victoria.
Influenza viruses mutate every year, so the flu shot is recommended to be repeated once a year to achieve the best immune effect.
