? 14 ?: The last time I checked there were 7 strains of HPV called high risk due to an association with cervical cancer & its transitional forms.There may be more discovered over time but these are the strains included in the newer Gardacil 9 vaccine.
Answered 5/8/2020
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A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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