One human infection with a novel influenza A virus was reported by the state of Minnesota, according to the Centers for Disease Control and Prevention (CDC).

Pig and piglets
Pig and piglets/Agricultural Research Services

The person was infected with an influenza A (H1N1) variant (H1N1v) virus, and has fully recovered from their illness

No ongoing human-to-human transmission has been identified and the case patient reported contact with swine in the week prior to illness onset.

When an influenza virus that normally circulates in swine is detected in a person, it is called a variant influenza virus and is labeled with a ‘v’.

Influenza viruses such as H1N1(v) and other related variants are not unusual in swine and can be directly transmitted from swine to people and from people to swine.

When humans are in close proximity to live swine, such as in barns and livestock exhibits at fairs, movement of these viruses can occur back and forth between humans and animals.

The illnesses resulting from H1N1(v) infection are similar to seasonal influenza. Symptoms include fever, muscle aches, decreased energy, coughing, runny nose, and sore throat. Contact your health care provider if you are experiencing flu-like symptoms and inform the doctor if you have had contact with swine.

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