Nebraska reviews first H3N2v ‘swine’ flu case


Officials with the Nebraska Department of Health and Human Services (DHHS) say surveillance techniques picked up one case of a variant flu virus (H3N2v). When a flu virus that usually circulates in swine is recognized in folks, it’s referred to as a variant virus.

Image/National Atlas of the United States
Image/National Atlas of the United States

The affected person reported no contact with swine through the week previous sickness onset, nonetheless a member of identical family did report publicity to swine. The particular person was hospitalized and launched. This is Nebraska’s first case of H3N2v. According to CDC, a complete of 61 H3N2v circumstances have been reported up to now in 2017 and 18 different states have reported H3N2v circumstances since December 2005.

“While it’s rare for flu viruses in animals to spread to people, it’s possible. The ability to identify such an event is part of what makes our influenza surveillance systems so successful,” Dr. Tom Safranek, State Epidemiologist for DHHS  stated. “This variant flu virus is genetically different than seasonal flu and in the recent past it has not easily spread person-to-person, but the symptoms and severity of illness are similar. As of now, we’re not seeing the conditions needed like person-to-person transmission that would make this virus a potential public health threat.”

Swine Influenza is a respiratory illness of pigs brought on by sort A influenza viruses that trigger outbreaks in pigs. Signs of swine flu in pigs can embody fever, coughing (barking), sneezing, respiration difficulties, eye redness or irritation, and never consuming. Some pigs contaminated with influenza, nonetheless, could present no indicators of sickness in any respect.

Swine flu viruses don’t usually infect folks; nonetheless, sporadic human infections with these viruses have occurred. Human infections with H1N1v, H3N2v and H1N2v viruses have been detected within the United States.

Spread between pigs and folks is believed to occur primarily when an contaminated pig (or human) coughs or sneezes and droplets with influenza virus in them unfold by the air. If these droplets land within the nostril or mouth, or are inhaled, that particular person (or pig) might be contaminated.

There additionally is a few proof that the virus may unfold by touching one thing that has virus on it after which touching the mouth or nostril.


A 3rd technique to presumably get contaminated is to inhale particles containing influenza virus. Influenza has not been proven to be transmissible to folks by consuming correctly dealt with and ready pork (pig meat) or different merchandise derived from pigs.

Most generally, human infections with variant viruses happen in folks with publicity to contaminated pigs (e.g., at a good or at work). Illness related to variant virus an infection contains signs just like these of seasonal flu. Most sickness has been gentle, however as with seasonal flu, hospitalization and demise can happen. There have been documented circumstances of a number of folks turning into sick after publicity to a number of contaminated pigs and likewise circumstances of restricted unfold of variant influenza viruses from individual to individual.


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