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N Engl J Med. 2016 Jul 21;375(3):229-39. doi: 10.1056/NEJMoa1515195.

HIV Infection Linked to Injection Use of Oxymorphone in Indiana, 2014-2015.

Author information

1
From the Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta (P.J.P., K.W.H., M.R.P., R.R.G., M.W.S., W.M.S., Y.K., S.M.O., V.M., P.J.W., D.B., T.S., J.M., J.T.B.); and the Indiana State Department of Health (P.P., S.J.B., C.C., J.G., E.C., J.C.R., J.W., J.M.D.), Indiana University School of Medicine (J.W.), and Indiana University Richard M. Fairbanks School of Public Health (J.M.D.), Indianapolis, Clark County Health Department, Jeffersonville (J.S., D.W.), and Scott County Health Department, Scottsburg (B.C.) - all in Indiana.

Abstract

BACKGROUND:

In January 2015, a total of 11 new diagnoses of human immunodeficiency virus (HIV) infection were reported in a small community in Indiana. We investigated the extent and cause of the outbreak and implemented control measures.

METHODS:

We identified an outbreak-related case as laboratory-confirmed HIV infection newly diagnosed after October 1, 2014, in a person who either resided in Scott County, Indiana, or was named by another case patient as a syringe-sharing or sexual partner. HIV polymerase (pol) sequences from case patients were phylogenetically analyzed, and potential risk factors associated with HIV infection were ascertained.

RESULTS:

From November 18, 2014, to November 1, 2015, HIV infection was diagnosed in 181 case patients. Most of these patients (87.8%) reported having injected the extended-release formulation of the prescription opioid oxymorphone, and 92.3% were coinfected with hepatitis C virus. Among 159 case patients who had an HIV type 1 pol gene sequence, 157 (98.7%) had sequences that were highly related, as determined by phylogenetic analyses. Contact tracing investigations led to the identification of 536 persons who were named as contacts of case patients; 468 of these contacts (87.3%) were located, assessed for risk, tested for HIV, and, if infected, linked to care. The number of times a contact was named as a syringe-sharing partner by a case patient was significantly associated with the risk of HIV infection (adjusted risk ratio for each time named, 1.9; P<0.001). In response to this outbreak, a public health emergency was declared on March 26, 2015, and a syringe-service program in Indiana was established for the first time.

CONCLUSIONS:

Injection-drug use of extended-release oxymorphone within a network of persons who inject drugs in Indiana led to the introduction and rapid transmission of HIV. (Funded by the state government of Indiana and others.).

PMID:
27468059
DOI:
10.1056/NEJMoa1515195
[Indexed for MEDLINE]
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