Personal Health: Need a Flu Shot? Get It Now

Personal Health: Need a Flu Shot? Get It Now

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I’ve typically heard folks decline the vaccine as a result of they as soon as acquired flulike signs after the injection, or they got here down with the flu regardless of it.
Info: 1) The vaccine doesn’t, and can’t, trigger the flu. Both they had been contaminated earlier than they had been immunized or earlier than immunity took maintain, or the fever and aches they skilled had been unintended effects of the vaccination, not the flu itself. 2) As presently formulated, the vaccine is much from excellent. In some years, it has been as little as 20 p.c efficient in stopping the flu, though it could nonetheless reduce the severity of the sickness and chance of issues.
The most important downside with flu vaccine is the necessity to decide months prematurely of flu season which of the virus variants to incorporate. The flu virus is a shifting goal, extremely topic to mutations; even the best way the vaccine is made — typically involving rising the virus variants in eggs — could cause them to mutate.
If the variants included within the vaccine differ from these which might be in the end accountable for seasonal outbreaks, safety is more likely to be drastically diminished, which is what occurred within the 2004-05 and 2014-15 flu seasons, when vaccine effectiveness was solely 10 p.c and 19 p.c, respectively. Final season’s vaccine was about 36 p.c efficient.
There may be additionally a distinction within the safety afforded by the identical vaccine given to folks in numerous age classes. For instance, the vaccine used towards flu in 2012-13 had an total effectiveness of 49 p.c, however was solely 11 p.c efficient for folks 65 and older. The next-potency vaccine is now obtainable for older women and men.
There may be now a concerted effort to create a brand new “common” flu vaccine that will shield towards all method of variants and never require an annual shot. The aim, Dr. Osterholm stated, is “a vaccine that may deal with many new modifications within the virus and that must be given solely as soon as each 5 or 10 years.”
The fundamental analysis wanted to develop such a vaccine might value $1 billion a 12 months for the following 5 to seven years, he estimated. Nevertheless, Congress allotted a mere $100 million for the approaching fiscal 12 months.

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