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Infection happens many ways:
You can get measles through exposure to .
Oral transmission can occur through the exchange of , such as when kissing or sharing food/drink. An example is .
is due to direct trauma, such as injections or an bite.
There is also transmission, as is the case with HIV and/or chylamydia.
Sometimes transmission is , such as rubella infections.
Finally, direct skin contact is another way transmission occurs. An example is .