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Hepatitis A Outbreaks in the United States

By 

René F. Najera, DrPH

May 23, 2019

Measles isn't the only vaccine-preventable disease making the news in the United States lately. has been resurging in the last few years . As people share needles or engage in other risky behavior, the hepatitis A virus has been traveling throughout the country. In Ohio has been battling an epidemic of hepatitis A since June of 2018, with over 2,200 cases reported so far. Recently, for counties to combat the epidemic. Most of these funds will go toward hepatitis A vaccination clinics for people at risk. In Kentucky, the statewide epidemic has been going on since 2017, . While there have been outbreaks there associated with food handlers, many of the cases are -- like in other states -- associated with intravenous drug use and homelessness. As a result, the state health authorities are recommending that everyone get the hepatitis A vaccine, .
In Pennsylvania, almost 200 cases since 2018 have prompted the Commonwealth's to in order to secure more funds. As with Ohio and Kentucky, most of those funds are expected to go toward vaccination. It should be noted that 40 of the cases have been detected in the Philadelphia area. There have also been cases reported in ; Aroostook County, Maine (); Sarasota, Florida (); , and other locations. Hepatitis A is transmitted primarily through the fecal-oral route. Other routes of transmission include sexual intercourse and sharing of dirty needles. Symptoms of the disease begin between 2 and 7 weeks after infection. The symptoms include a flu-like illness and jaundice, though many people infected don't show symptoms, . Nevertheless, people with preexisting conditions may be at risk for severe complications from hepatitis A. The good news? , and it has been given to children in the United States since 1995, triggering a precipitous drop in the number of cases in the United States. The vaccine is recommended for all children and for people at high risk of contracting the disease, especially those who could easily transmit it to others (e.g. food handlers, sex workers, and intravenous drug users).

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