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Mercer County, NJ case of H3N2v

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  • Mercer County, NJ case of H3N2v

    N.J. child caught swine flu from an actual pig, says CDC

    Print Email Kathleen O'Brien | NJ Advance Media for By Kathleen O'Brien | NJ Advance Media for

    on February 19, 2016 at 2:26 PM
    Buried in recent flu data from federal health officials is news that a Mercer County child had a type of swine flu transmitted from a pig, instead of from another person.

    While such cases are not common, they are monitored by the government in case they become more widespread.

    The case of what's called H3N2v flu - the state's first - involved a 9-year-old child from Mercer County who visited a Middlesex County farm on Dec. 24 of last year and fell ill Dec. 26th.

    The child's illness was mild and did not require hospitalization, according to a spokeswoman for the N.J. Department of Public Health. The child was treated by a healthcare provider.
    The odd case of flu contracted from a pig poses no broad public health risk, as this variety has no track record of spreading from person to person.
    Twitter: @RonanKelly13
    The views expressed are mine alone and do not represent the views of my employer or any other person or organization.

  • #2
    PO Box 2900, Flemington, New Jersey 08822 Notification
    NJLINCS Health Alert Network
    Public Health Update
    Distributed by the New Jersey Department of Health
    Subject: First case of variant influenza A H3N2 ("H3N2v") identified in New Jersey
    Date: 1/7/2016; 14:09:09
    Message#: 103028-1-7-2016-PHUP
    Contact Info: Lisa McHugh, NJDOH
    Phone: 609-826-5964; Email:

    Attachments: clinical_surv_critieria_H3N2v_010716_comb.pdf
    On January 5, 2015, CDC confirmed that a specimen collected from a New Jersey resident
    tested positive for variant influenza A H3N2 virus ("H3N2v"). The specimen was collected as
    part of routine influenza surveillance from a child who resides in Mercer County. A public health
    investigation was conducted and it was determined that the child was in a location where pigs
    were present located in Middlesex County in the days prior to illness onset. The child had a mild
    illness and has fully recovered. This is the first case of H3N2v to be identified in a New Jersey
    resident. A public health investigation is ongoing but at this time no additional illnesses have
    been identified.
    Given the identification of this recent H3N2v case, NJDOH would like to provide information
    regarding H3N2v and remind clinicians and public health authorities about case identification,
    reporting, testing and treatment. A list of highlights is provided below. The NJDOH H3N2v
    Surveillance and Testing Criteria are attached to this email and can be used to identify and
    report any suspect cases.
    . H3N2v is a flu virus that normally infects swine (pigs). While rare, this influenza virus can be
    spread from pigs to people through close contact, such as petting the animal.
    . A number of human infections with H3N2v have been detected in the United States since
    August, 2011. The H3N2v virus is not a new virus: however it is different from seasonal
    influenza. CDC has performed testing which indicates the virus identified in NJ closely matches
    viruses circulating in swine.

    . During the 2012-2013 influenza season, a high number of H3N2v viruses were identified. In 2012, there were 309 H2N2v infections in the US. Of these cases, 16 people were hospitalized and one died ( Most of the people who were hospitalized or died had more than one health or age factor that put them at high risk for flu complications. Most of the cases of H3N2v had direct contact with pigs which occurred at agricultural fairs, petting zoos and animal markets.

    . The symptoms of H3N2v flu in people are similar to the symptoms of regular human seasonal flu. These symptoms include fever, lethargy (extreme tiredness), lack of appetite and coughing. Some people also report runny nose, sore throat, nausea, vomiting and diarrhea.

    . H3N2v has been no more severe than seasonal flu. While this virus rarely spreads person to person, flu viruses are known to frequently mutate. The possibility of a mutation would allow this virus to more easily spread person-to-person. In the event that this occurs, prompt reporting and close observation of the case and their contacts is warranted.

    . Individuals who had contact with a live pig and have flu symptoms should be evaluated by a health care provider and reported to public health authorities. NJDOH can recommend whether specimens should be collected and arrange for novel virus testing, including H3N2v, at the state public health laboratory.

    . H3N2v viruses tested to date are susceptible to the neuraminidase inhibitor drugs oseltamivir and zanamivir. These drugs can be prescribed to treat H3N2v infections. However, H3N2v viruses are resistant to the antiviral drugs amantadine and rimantadine: therefore, amandtadine and rimantadine should not be prescribed. Antiviral treatment recommendations for H3N2v virus infection are similar to those for seasonal influenza (

    . NJDOH recommends that individuals take precautions when they may come in contact with live pigs. Precautions include frequent handwashing, avoid eating/drinking in pig areas, and avoid close contact with pigs that look or act ill. Individuals at high risk of serious flu complications should consider avoiding pig exposure. The National Association of Public Health Veterinarians have created several documents focusing on minimizing the risk of influenza transmission in animal setting. These document can be found at the following:


    Twitter: @RonanKelly13
    The views expressed are mine alone and do not represent the views of my employer or any other person or organization.