Virus culturing because it allows you to take the virus and control it so can put it into a vaccine
Found this online hope it helps!
Encontró esta esperanza en línea que ayuda!
http://www.un.org/esa/socdev/unyin/documents/ch04.pdf
I did not write this, please dont give me credit for document.
<span>No escribí esto, por favor, no me dan crédito por el documento.</span>
Answer:
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Explanation:
It tends to decrease in older adults
