Homonym: H1N1 Influenza Virus (Flu)
The H1N1 Influenza Virus, also known as swine flu, is a type of influenza virus that can infect humans and animals. It was first identified in 2009 during a global outbreak. This virus is a subtype of the influenza A virus and is known for causing respiratory illness, which can range from mild to severe.
H1N1 spreads through respiratory droplets when an infected person coughs or sneezes. Symptoms include fever, cough, sore throat, body aches, and fatigue. Vaccines are available to help protect against this virus, and public health measures can reduce its transmission during outbreaks.