Quadrivalent flu vaccines — offered for the first time in the flu season — protect against the same strains as the trivalent vaccine, as well as an extra influenza B strain. That's because data showed that the nasal spray was not very effective at preventing flu from tothe CDC said. Most side effects are minor, last a short time, resolve without any treatment and do not lead to any long-term problems. It is recommended that you be vaccinated against flu every year as the different strains of flu virus can change from year to year. Anyone at risk of serious complications from the flu should also receive the flu shot.
A study in the New England Journal of Medicine found that the high-dose vaccine provides 24 percent more protection against the flu than the standard dose, Schaffner said.
Flu Shot Facts & Side Effects (Updated for 2018-2019)
Live Science Health Reference: Recommend on Facebook Tweet Share Compartir. Who should not get a flu vaccine? Rachael has been with Live Science since You can also try sitting for a while after you receive the shot and having a snack before or after the shot. The number of flu vaccines that your child will need to have will depend on if your child has previously had the flu vaccination and how many times.