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US Nay and Small Pox injections
A man noticed how milkmaids did not get affected by smallpox, so they assumed that it was something to do with cows or milk that stopped them catching smallpox. I turns out that it was a similair, but less deadly, virus called cowpox that was preventing milkmaids getting smallpox. Cowpox was a vaccine against smallpox - meaning if you have had cowpox, you can't get smallpox.
by doing it
he saw milkmaids
he saw milkmaids
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He took the blood from the cow and injected it into a person.
The flu vaccine is recommended for children and the elderly but nobody is forced to get it. Whether or not to get a flu vaccine is a personal choice.
A vaccine is a dose of an actual infectious agent (antigen), usually weakened (attenuated), dead or rendered inactive, that causes your body to make antibodies to fight off or stop the reproduction of that particular antigen if you are exposed in the environment. Here are some example sentences:I got my shot of flu vaccine yesterday.Did your doctor give you the smallpox vaccine?All children need to get the vaccine for measles, mumps and rubella (MMR).There are also associated labor costs for administering the vaccine.I don't want to get the flu, so I am going to ask my doctor to give me a vaccination that contains this year's flu vaccine that will prevent the viral infection.Edward Jenner was the scientist who "invented" the first vaccines, that were made to prevent smallpox infections (which has essentially wiped this infectious disease from existence).What is in the vaccines that you get when you are vaccinated for the flu?
You can take the vaccine but it will not stop the disease. Vaccinations prevent disease but they do not cure them.
It helps make the virus stop reproducing / stop growing bigger and bigger.