Editing Hepatitis C (section)

=== Drug use ===
[[File:Cocaine lines 2.jpg|thumb|left|Lines of cocaine prepared for snorting. [[Contaminated currency]] such as banknotes might serve as a [[fomite]] of diseases like hepatitis C<ref name="LV">{{cite web |url=http://cocaine.org/cokemoney/banknotes.html |title='Shared banknote' health warning to cocaine users |accessdate=2008-07-26 |author=Laureen Veevers |date=1 October 2006 |work=The Observer }}</ref>]]
{{see also|Needle sharing}}

[[Injection drug use]] (IDU) is a major risk factor for {{nowrap|hepatitis C}} in many parts of the world.<ref name=China2008>{{cite journal | vauthors = Xia X, Luo J, Bai J, Yu R | title = Epidemiology of hepatitis C virus infection among injection drug users in China: systematic review and meta-analysis | journal = Public Health | volume = 122 | issue = 10 | pages = 990–1003 | date = October 2008 | pmid = 18486955 | doi = 10.1016/j.puhe.2008.01.014 }}</ref> Of 77 countries reviewed, 25 (including the United States) were found to have a prevalence of {{nowrap|hepatitis C}} of 60–80% among people who use injection drugs.<ref name=Lancet2011>{{cite journal | vauthors = Nelson PK, Mathers BM, Cowie B, Hagan H, Des Jarlais D, Horyniak D, Degenhardt L | title = Global epidemiology of hepatitis B and hepatitis C in people who inject drugs: results of systematic reviews | journal = Lancet | volume = 378 | issue = 9791 | pages = 571–83 | date = August 2011 | pmid = 21802134 | pmc = 3285467 | doi = 10.1016/S0140-6736(11)61097-0 }}</ref><ref name=China2008 /> Twelve countries had rates greater than 80%.<ref name=Lancet2011 /> It is believed that ten million people who use intravenous drug are infected with {{nowrap|hepatitis C}}; China (1.6 million), the United States (1.5 million), and Russia (1.3 million) have the highest absolute totals.<ref name=Lancet2011 /> [[Infectious diseases within American prisons#Hepatitis C|Occurrence of {{nowrap|hepatitis C}} among prison inmates in the United States]] is 10 to 20 times that of the occurrence observed in the general population; this has been attributed to high-risk behavior in prisons such as IDU and tattooing with non-sterile equipment.<ref name=Jail2010>{{cite journal | vauthors = Imperial JC | title = Chronic hepatitis C in the state prison system: insights into the problems and possible solutions | journal = Expert Review of Gastroenterology & Hepatology | volume = 4 | issue = 3 | pages = 355–64 | date = June 2010 | pmid = 20528122 | doi = 10.1586/egh.10.26 | s2cid = 7931472 }}</ref><ref>{{cite journal | vauthors = Vescio MF, Longo B, Babudieri S, Starnini G, Carbonara S, Rezza G, Monarca R | title = Correlates of hepatitis C virus seropositivity in prison inmates: a meta-analysis | journal = Journal of Epidemiology and Community Health | volume = 62 | issue = 4 | pages = 305–13 | date = April 2008 | pmid = 18339822 | doi = 10.1136/jech.2006.051599 | s2cid = 206989111 }}</ref> Shared intranasal drug use may also be a risk factor.<ref name="Moyer2013"/>