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Outbreaks of hepatitis A among illicit drug users, Oklahoma, 1984-87
J Harkess1, B Gildon, G R Istre
1Epidemiology Service, Oklahoma State Department of Health, Oklahoma City 73152.
Abstract:
Transmission of hepatitis A has been described in many settings, although few outbreaks have been reported among illicit drug users. We report six unrelated outbreaks of hepatitis A among users of marijuana and intravenously administered methamphetamine. Although the exact mode of transmission could not be determined, practices associated with illicit drug use may have facilitated transmission of hepatitis A. These outbreaks and other recent information indicate that illicit drug users may be at increased risk of acquiring hepatitis A infection.
Insights
Hepatitis A outbreaks occurred in six groups of marijuana and methamphetamine users. Drug use practices may have increased hepatitis A transmission risk in this population.
Area of Science:
- Hepatology
- Infectious Diseases
- Public Health
Background:
- Hepatitis A virus (HAV) transmission is well-documented in various settings.
- Outbreaks among illicit drug users are infrequently reported.
- Recent data suggest a potential rise in HAV infections within this demographic.
Purpose of the Study:
- To report and analyze recent hepatitis A outbreaks among illicit drug users.
- To investigate potential transmission routes linked to substance use practices.
- To assess the risk of hepatitis A infection in the illicit drug user population.
Main Methods:
- Retrospective analysis of six hepatitis A outbreaks.
- Epidemiological investigation focusing on users of marijuana and intravenous methamphetamine.
- Assessment of potential transmission factors related to drug use behaviors.
Main Results:
- Six distinct hepatitis A outbreaks were identified among users of marijuana and intravenous methamphetamine.
- The precise transmission route could not be definitively established.
- Practices associated with illicit drug use were implicated as potential facilitators of HAV spread.
Conclusions:
- Illicit drug users, particularly those using marijuana and intravenous methamphetamine, represent a population at increased risk for hepatitis A.
- Further research and targeted public health interventions are warranted for this group.
- Enhanced surveillance for hepatitis A among illicit drug users is recommended.