4 ms·

Correct, I've been told by medical professionals that there are hundred(s) of strains but the flu shot only covers the handful of strains they expect to be prev

• superkuh 7y ago
  The morbidity and mortality weekly report from a month or so back said that in intentional lab infections the influenza vaccine was only 45% effective in preventing infection this year.
  • dnautics 7y ago
    One wonders if the flu metagenome is evolving to evade our primitive strain selection 'algorithm'
• baddox 7y ago
  https://www.cdc.gov/flu/prevent/vaccine-selection.htm https://www.cdc.gov/flu/prevent/vaccine-selection.htm Seems pretty straightforward. They look at which strains people have been testing positive for and how successful the previous vaccines were.
  • rolph 7y ago
    the challenge with influenza vaccines is that the virus can shift character faster than a vaccine can be produced so its a crap shoot of sorts for a good match. This is why we need to perfect much more expedient vaccine production technology other than the attenuated virus method