because the influenza bug changes every year. It's never exactly the same as the previous year.
i will say about 50,000 children die each year from vaccines
Approximly 800 million people die each year
about 30 million people had the flu but no one had the flue
21 vaccines before the age of six, and generally 6 more before the age of 18, for a total of 27 in childhood. Some vaccines are given multiple times (for example, the DTaP - diptheria, tetanus, and pertussis - is given 5 times).
Because exposing your immune system to everything under the sun in one hit may be a bit too much for it to handle at once. If you want a good immune response, give vaccines over time - it's like you running three marathons at once: you're likely to perform better on them if they're not all in the one hit. Some vaccines (flu vaccines) are different each year, depending on what strains are getting around. Some vaccines are live - not dangerous, that bit's been bred out of them, but if you give these ones all together, they might ruin the chances of each of them actually having a response, because they might battle it out between each other.
alot about 100,000,000,000,000,000,000,000,000,000,000 each year
In the year 1796.
Nicholas von Flue was finally canonized in the year 1947!
Because certain viruses and bacteria evolve to become resistant to the old vaccines.
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53.