anti-hpv type 18 had ten times the geometric mean titre (gmt) value compared to anti-hpv type 16 at month 24.
anti-hpv type 18 had ten times the geometric mean titre (gmt) value compared to anti-hpv type 16 at month 24.
naci statement: hpv vaccine update - canada.ca
there are countries in africa where they have higher vaccination rates than here in the united states.