Is cervical cancer transmitted through sex and sex only?

I was having an argument with my friend, who is more of a hypochondriac than me ( and that is saying something ) about her having cervical cancer. She doesn't smoke and is still a virgin. She keeps telling me that she 'knows' she has cervical cancer, even though she got her OBGYN doctor to give her a... show more I was having an argument with my friend, who is more of a hypochondriac than me ( and that is saying something ) about her having cervical cancer. She doesn't smoke and is still a virgin. She keeps telling me that she 'knows' she has cervical cancer, even though she got her OBGYN doctor to give her a pap smear, even though she is 16 ( my friend, not the doctor ). It is starting to get on my nerves, because it is ruining her life. Please help me explain this to her. Isn't cervical cancer transmitted from sex and or smoking?
Thanks!
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