Primary prevention
The incidence of hepatitis B virus (HBV)-related polyarteritis nodosa (PAN) parallels HBV infection rates. Screening of blood products for HBV and mass vaccination against the virus has successfully reduced the incidence of HBV PAN, as shown in French patients with the proportion of PAN due to HBV falling from 38.5% in the 1970s to 17.4% by the period 1997 to 2002.[20]
In the US, the Centers for Disease Control and Prevention recommends that all adults aged 18 years and older are screened for HBV at least once in their lifetime using a triple panel test, and that people at increased risk of HBV are tested periodically.[30] See Screening.
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