Editing Hepatitis (section)

=== Hepatitis A ===
Hepatitis A causes an acute illness that does not progress to chronic liver disease. Therefore, the role of screening is to assess immune status in people who are at high risk of contracting the virus, as well as in people with known liver disease for whom hepatitis A infection could lead to liver failure.<ref>{{Cite web|url=https://www.cdc.gov/hepatitis/statistics/surveillanceguidelines.htm|title=Guidelines For Viral Hepatitis Surveillance And Case Management|website=www.cdc.gov|access-date=2016-03-12|url-status=live|archive-url=https://web.archive.org/web/20160310094046/http://www.cdc.gov/hepatitis/statistics/surveillanceguidelines.htm|archive-date=2016-03-10}}</ref><ref>{{Cite book|title=Harrison's Manual of Medicine|edition=18|chapter=Chapter 164: Chronic Hepatitis|last1=Harrison|first1=Tindsley Randolph|editor-last1=Longo|editor-first1=Dan L.|editor-last2=Fauci|editor-first2=Anthony S.|editor-link2=Anthony Fauci|editor-last3=Kasper|editor-first3=Dennis L.|editor-last4=Hauser|editor-first4=Stephen L.|editor-last5=Jameson|editor-first5=L. Jerry|editor-last6=Loscalzo|editor-first6=Jerry|publisher=McGraw-Hill|date=2013|location=New York, NY}}</ref> People in these groups who are not already immune can receive the [[hepatitis A vaccine]].{{cn|date=March 2023}}

Those at high risk and in need of screening include:<ref name="WHO Hep A Fact Sheet July 2015" /><ref name="Voise 2011" /><ref name="CDC Adult Vaccine">{{cite web|title=Adult Immunization Schedule by Vaccine and Age Group|url=https://www.cdc.gov/vaccines/schedules/hcp/child-adolescent.html|website=www.CDC.gov|access-date=March 7, 2016|url-status=live|archive-url=https://web.archive.org/web/20160305212647/http://www.cdc.gov/vaccines/schedules/hcp/child-adolescent.html|archive-date=March 5, 2016}}</ref>
* People in close contact (either living with or having sexual contact) with someone who has hepatitis A
* People traveling to an area with endemic hepatitis A
* People who do not have access to clean water
* People who use illicit drugs
* People with liver disease
* People with poor sanitary habits such as not washing hands after using the restroom or changing diapers

The presence of anti-hepatitis A [[Immunoglobulin G|IgG]] in the blood indicates past infection with the virus or prior vaccination.<ref>{{Cite book|title=Chapter 163: "Acute Hepatitis." Harrison's Manual of Medicine, 18e.|last=Longo, Dan L.|publisher=McGraw-Hill|year=2013|location=New York, NY|display-authors=etal}}</ref>