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| Allegan County MI - Credit Wikipedia |
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We've a bit more information on the H3N2v case reported earlier today by the CDC (see FluView Week 39: 9 Additional H3N2v Cases Reported From Maryland (8) & Michigan (1)) in the form of a press release posted on the Allegan County Health Department web site.
While this is Michigan's first case reported for 2017, previously Michigan has reported a total of 21 swine variant cases, including 12 cases last year linked to a 2-state outbreak (6 cases also from Ohio) of a new genotype not previously detected in humans (see MMWR: Investigation Into H3N2v Outbreak In Ohio & Michigan - Summer 2016).Given the increased level of swine variant activity this summer across a number of Midwestern and Mid-Atlantic states, it will be of considerable interest to see what - if any - genetic changes have occurred in these viruses.Particularly since the WHO just recently selected a new Candidate Vaccine Virus (CVV) based on an A/Ohio/13/2017-like virus (see WHO: Candidate Vaccines For Pandemic Preparedness - Sept 2017).
A full analysis, along with a detailed epidemiological investigative report, is likely still a couple of months away.
This statement comes from the Allegan County Health Department.
First Case of Influenza A H3N2 Variant Detected for 2017 in Michigan
Allegan County Health Department Recommends Influenza Precautions
ALLEGAN – Today, October 6, 2017, the Michigan Department of Health and Human Services (MDHHS) along with the Allegan County Health Department (ACHD) report that a child who had visited the recent Allegan County Fair has tested positive for the H3N2 variant (H3N2v) influenza. The fair took place September 8-16, 2017. The incubation period (the time it takes from exposure to illness) for this influenza, like the usual seasonal influenza, is 1 to 7 days; and most commonly 2 days. Therefore, it is unlikely that there will be new cases from direct exposure at the Allegan County Fair. Early treatment works best and may be especially important for people with a high risk condition. Currently there is no vaccine for H3N2v and the seasonal flu vaccine will not protect against H3N2v.
“This variant flu virus has rarely been shown to spread from person to person but any individual with flu-like-symptoms should contact his or her medical provider and the health department. In addition, it is important to note, the seasonal flu vaccine will not protect against H3N2v,” said Angelique Joynes, MPH, RN -- Allegan County Health Officer.
Symptoms of H3N2v infection in people are similar to those of seasonal flu viruses and can include fever and respiratory symptoms, such as cough and runny nose, and possibly other symptoms, such as body aches, nausea, vomiting, or diarrhea. Infections with influenza viruses (including variant viruses like H3N2v) can sometimes cause severe disease, even in healthy people. This can include complications, such as pneumonia, which may require hospitalization, and sometimes results in death. People who are at high risk of developing complications if they get influenza include children younger than 5 years of age, people 65 years of age and older, pregnant women, and people with certain long-term health conditions, such as asthma, diabetes, heart disease, weakened immune systems, and neurological or neurodevelopmental conditions.
Below are some steps that you can take to protect yourself and prevent the spread of any illness:
For more information about H3N2v, visit www.cdc.gov/flu/swineflu/h3n2v-basics.htm and/or contact Erin Radke, RN, ACHD Communicable Disease Nurse at 269-686-4551.
- Avoid close contact with sick people.
- Cover your nose and mouth with a tissue when you cough or sneeze.
- Wash your hands often with soap and water. If soap and water are not available, use an alcohol-based hand rub.
- Avoid touching your eyes, nose and mouth. Germs spread this way.
- If you are sick, stay home from work or school until your illness is over.
- Get an annual influenza vaccination.
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