Influenza, which is best known to us as simply the flu, is a viral infection that infects a lot of people every year. The CDC estimates that around 35,000 people in the US die from it each year. While most of those people already had a weakened immune system, the flu virus isn’t something to be messed with.
In 1918 a strain of the influenza virus killed an estimated 50 million people worldwide. Back then, they didn’t have vaccines. Most people just had to hope they didn’t catch the virus. Nowadays, vaccines are able to give us considerable protection against catching certain strains of the virus. In this Untamed Science short, Haley gives a quick introduction to flu vaccine basics.
Where's her tin foil hat?
Thanks for this video. I did a speech class on vaccine today & used this video demonstration. Lets hope I got an A.
Good question. Doesn't make any sense does it. The researcher we talked to for this explained it like this – She said in the 1918 epidemic it caused the body to over-react. Essentially the body attacked itself. Take poison ivy as an equivalent example. In the case of the plant, we get a rash mostly because our body over-reacts to the plant toxin. Its the same with allergies. This is apparently is kinda what happened with this flu strain.
this is cool. but wait. why would people with the stronger immune systems become more vulnerable in the 1918 epidemic?
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