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A 48-year-old member asked:

why do you have to get vaccinated with the influenza vaccine (flu vaccine) every year?

3 doctor answers7 doctors weighed in
Dr. Nikolaos Zacharias
Maternal-Fetal Medicine 26 years experience
You should.: Annual flu shot is recommended for most adults.
Dr. Faryal Ghaffar
Pediatrics 30 years experience
Influenza vaccine: Influenza virus changes each year therefore every year new vaccines are made to cover the most likely circulating strains of the virus.
Dr. James Ferguson
Pediatrics 46 years experience
Reality: The flu viruses tend to mutate more often than other viruses.That mutation changes the shell surrounding their insides so the antibodies from past vaccines do not recognize them.(or kill them). In a given year there are at least 4-6 strains circling the globe & air travel increases the spread. Each year they pick the newest strains by frequency to be in the new shot. It's the best plan we have.

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Similar questions

A member asked:

Is it better for children to get chicken pox than the chicken pox vaccine?

11 doctor answers23 doctors weighed in
Dr. Sharon Gilliland
Pediatrics 36 years experience
No: Wild virus chicken pox does carry a risk of complications. In young children, the risk is lower than it is in teens and adults; however, the complications include the potential for life-threatening conditions. Never expose your child purposely to chicken pox. The vaccination is much safer.
A member asked:

Will the hepatitis b vaccine raise my child's risk of developing ms?

7 doctor answers17 doctors weighed in
Dr. Thad Woodard
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No: This is not currently known to be a risk of hepatitis b vaccine.
A member asked:

How can I prevent my child from having an adverse reaction to a vaccine?

3 doctor answers10 doctors weighed in
Dr. Pamela Lindor
Pediatrics 32 years experience
Vaccine safety: While you can't prevent an adverse reaction to a vaccine, they are very rare. Educate yourself about the vaccines and ask your baby's doctors any questions or concerns. Some babies wil have fussiness, low grade fever or soreness after receiving routine immunizations. If your baby has a high fever or extreme irritability after a vaccine visit, call to discuss with your pediatrician.
A member asked:

Why does my child need a hepatitis b vaccine if he is not yet at risk of contracting the disease?

7 doctor answers16 doctors weighed in
Dr. Scott Tomaine
Pediatrics 20 years experience
Dangerous disease: Newborns are at risk of hepatits b if the mom is infected and doesn't know it. Some people are silent carriers of this disease. I recommend it at birth even if mom tests negative because it is a safe, effective vaccine against a very bad disease, which causes liver cancer and cirrhosis. It is a series of three shots, and it is required for school attendance.
A 31-year-old member asked:

Is it safe to take rabies vaccine while pregnant or breastfeeding?

2 doctor answers5 doctors weighed in
Dr. Scott Katz
Pediatrics 26 years experience
Yes: The disease or risk of disease is usually fatal. No problems have been found with administering the vaccine to pregnant or breast feeding women.

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Last updated Jan 26, 2019

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