Doctor insights on:
Flu Vaccine And Remicade
I'm 100% up to date with all vaccines other than flu shot. Are their any vaccines I must have repeated or do most last a lifetime?
Depends: Some vaccines provide time limited benefit (whooping cough, tetanus,diphtheria, meningitis,flu) while others may last a lifetime (hepatitis B series, measles,HPV series). Some of the newer vaccines have not been used long enough to know if their benefit is lifetime or a booster is needed. All adults should review their vaccine status with their doc at their regular checkups. ...Read more
Latin word for cow, vacca, because of the smallpox/cowpox work of edward jenner, vaccination is the administration of a substance, live organism or otherwise, that stimulates the immune response to prevent a specific disease. Primarily a preventative procedure, some vaccines can ...Read more
I'm not sure what: vaccines you are referring to. One vaccine that patients often say hurts more than the others is Gardasil. The Flu vaccine actually does often cause pain, as does a tetanus vaccine. The soreness is from the body's immune response to the vaccine, which means it is starting to work. Some of the pain is also from the needlestick, itself, especially those vaccines which go into the muscle. ...Read moreSee 1 more doctor answer
Flu changes: The influenza virus mutates as it travels around the world each year. It arrives back changed enough that our immune system does not recognize it from the last round (or shot) this means we have to get vaccinated each year for the new "strains" of flu since our body perceives it as a new virus. Some years the virus changes more than others, leading to worse epidemics if the shot is rigged wrong. ...Read more
Are most cases of flu reported so far this season covered by the current vaccine? Having trouble finding info on that. Had my flu shot oct. 2.
Yes: So far seems to be covered.Get a more detailed answer ›
Not live...: The flu vaccine does not have any live flu virus. Rather, it consists of killed virus or protein from the virus. Your immune system then reacts against the virus protein and makes antibodies so that if your body then is exposed to the actual virus, the antibodies needed to kill it are already there. This prevents you from getting sick from the virus since the antibodies kill it first! ...Read more
If flu shot vaccines are created from last year's flu, how can it protect against a different stem of the flu?
There are 3 strains: Every year a bunch of experts meet and decide what strains to put in the flu vaccine for the next season. They usually put in 3 different types, almost always one from the preceding year, and then two others that they decide on based on many factors. There is talk that they may start trying to use 5 strains in the next few years. Anyway, you should get a flu shot every year! ...Read more
Nasal vs injected: What you mean by activated is unclear. There is no activated vaccine I am aware of. The injected vaccine is prepared from inactivated (killed) virus & cannot give you the flu. You can develop a shot reaction (mild) but it is not the flu. The nasal mist is a much weakened but live virus & rarely causes a mild flu like illness, but far less intense than a regular flu would be. ...Read more
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