A new flu vaccine is developed by scientists each year. The flu vaccine always contains three vaccine strains: one A (H3N2) virus, one A (H1N1) virus and one B virus. The strains are selected based upon disease projections for the year and … Source:http://www.ehow.com/how_5233949_flu-vaccine-work.html
how long before flu symptoms develop? well i recently started working’m beginning to have nightmares about in ER and now i catching germs and viruses and whatnot. i recently h
Hello ShannonJayne13,Sounds like you shared the tent quite a few days ago?? Then the chances have become unlikely that you were infected!Nevertheless, keep up your hand hygiene!(The source below includes The 10 commandments for hand hygiene!)Wishing you good luck from The Netherlands!!Martijn!
How long does it take to get flu symptoms after exposure? From one day to 7 or more. How long does it take to develop immunity after a flu shot? It can vary
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