Did you know that vaccines are made from the same disease-causing organism it is trying to protect you from? Surf the Internet and find out why you don't get sick even if you are injected with a virus. So how does a vaccine work, for instance a chicken poz vaccine?
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Answer:
alam mo ba na ang mga bakuna ay ginawa mula sa parehong sakit na sanhi ng organismo na sinusubukan mong protektahan mula sa?