Is the flu nasal spray effective?
After the 2009 pandemic, several U.S. studies among 2 through 17-year-olds found that the nasal spray vaccine was as effective against influenza B viruses and influenza A(H3N2) viruses as inactivated influenza vaccines, but was less effective than inactivated flu vaccines against the 2009 pandemic H1N1 viruses.
What is in the flu nasal spray 2020?
The nasal spray flu vaccine contains small amounts of weakened flu viruses. They do not cause flu in children. As the main flu viruses can change each year, a new nasal spray vaccine has to be given each year.
Why can’t adults have the flu nasal spray?
The types of flu vaccine available You will be offered one that is most effective for you, depending upon your age, from the following: children aged 2 to 17 are offered a live vaccine as a nasal spray. The live viruses have been weakened so it cannot give you flu. adults aged 18 to 64 are offered an injectable vaccine …
Should I get flu shot or nasal spray?
For adults, doctors found that the nasal spray works just as well as the flu shot. In 2009, they found that the nasal spray worked better in children. But later studies didn’t show that it was any more effective than the shot. Whether you get the shot or spray is up to you.
Is the nasal flu vaccine safe?
The live attenuated influenza vaccine (LAIV) contains live forms of flu virus which have been weakened (attenuated). These stimulate the immune system but do not cause disease in healthy people. It can safely be given at the same time as all other routine childhood vaccines, including other live vaccines.
Are you contagious after flu nasal spray?
False. The nasal flu vaccine contains live flu viruses that have been weakened so they do not cause flu in others.
Is there an intranasal flu vaccine?
Live, attenuated influenza vaccine (called “LAIV”) is a nasal spray vaccine that may be given to non-pregnant people 2 through 49 years of age. It takes about 2 weeks for protection to develop after vaccination.