Ohio state health officials reported a human infection with a novel influenza A virus, according to the latest CDC FluView.
The patient was infected with a swine-origin influenza A(H1N2) variant (A(H1N2)v) virus. The patient is <18 years of age, was not hospitalized, and has recovered from their illness.
An investigation by local public health officials found that the patient had attended an agricultural fair on the day of their illness onset. Additional investigation did not identify respiratory illness in any of the patient’s household contacts.
When an influenza virus that normally circulates in swine (but not people) is detected in a person, it is called a “variant influenza virus.” Most human infections with variant influenza viruses occur following close proximity to swine, but human-to-human transmission has occurred previously. It is important to note that in most cases, variant influenza viruses have not shown the ability to spread easily and sustainably from person to person.
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