These are the first WHO guidelines on the screening care and treatment ofpersons with HCV infection. They are intended to complement existing guidanceon the primary prevention of HCV and other bloodborne viruses by improvingblood and injection safety and health care for people who inject drugs (PWID)and other vulnerable groups including those living with HIV (see section 2.4 forrelated WHO guidelines).These guidelines are primarily targeted at policy-makers in ministries of healthworking in low- and middle-income countries who formulate country-specifictreatment guidelines and who plan infe