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Hepatitis B Outbreak Investigation

The New Jersey Department of Health and Senior Services (NJDHSS) and the Ocean County Health Department (OCHD) are investigating cases of hepatitis B infection in patients who were treated at the same hematology/oncology practice in Ocean County.  The patients had no other known risk factors for hepatitis B.

NJDHSS and OCHD notified 2,800 patients in March, recommending they get tested for hepatitis B and other viruses as a precaution. One-hundred eight (108) individuals, including the five originally-identified patients, tested positive for hepatitis B virus or antibodies in their blood.  Of these 108 individuals, 19 were determined to be acute cases (recent infection) and 10 were found to be chronic (ongoing infection); these 29 cases all had invasive procedures at the practice and no other known risk factors for HBV infection. The other 68 positive cases are considered possible cases; therefore we can only say that they are possibly related to this outbreak.

In late August, the investigation expanded and 3200 additional patient notification letters were mailed. This number includes patients who received treatment at the practice from 2002-2005 and those from 2006-2009 who did not get tested upon receipt of the first notification letter.

The investigation found multiple breaches in infection control at the medical practice that may have placed patients at risk for transmission of bloodborne pathogens, which include hepatitis B, hepatitis C and human immunodeficiency virus (HIV).

For Patients

Questions about the Ocean County Investigation
If you are a patient, call the Ocean County Health Department at 732-341-9700, ext. 7502, Monday through Friday from 8 a.m. to 5 p.m.

Hepatitis Resources

For Health Care Professionals

If you are a health care professional and have questions about the investigation, call the Department of Health and Senior Services at 609-588-7500, Monday through Friday from 8 a.m. to 5 p.m..

Reportable Diseases in New Jersey

Hepatitis Virus Transmission in the Nonhospital Setting

Preventing Infection in the Healthcare Setting


Department of Health and Senior Services

P. O. Box 360, Trenton, NJ 08625-0360
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Last Modified: Thursday, 10-Mar-11 15:23:59