Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza that regularly cause outbreaks of influenza among pigs. Swine flu viruses cause high levels of illness and low death rates among pigs. Swine influenza viruses may circulate in swine throughout the year, but most outbreaks among swine herds occur during [...]

H3N3 and H1N1 influenza A viruses were isolated from Canadian pigs in 2001 and 2002. These viruses are phylogenetically related to waterfowl viruses and antigenically distinct from reference swine influenza viruses. The isolation of these viruses reemphasizes the potential for interspecies transmission of influenza viruses from waterfowl to pigs in North America.
Influenza A virus infections [...]

According to the World Health Organization, H1N1 Influenza refers to a large group of different influenza viruses that primarily affect pigs. On rare occasions, these H1N1 viruses can infect other species, including humans. The vast majority of H1N1 influenza viruses do not infect humans. An influenza pandemic happens when a new subtype emerges that has [...]

What is Swine Influenza? Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza virus. Swine influenza viruses may circulate among swine throughout the year, but most outbreaks occur during the late fall and winter months similar to outbreaks in humans.
Can humans catch swine flu? Swine flu viruses do not [...]

What is swine influenza?
Swine flu is a respiratory infection caused by influenza viruses that regularly cause outbreaks in pigs. There have been reports of serious illness and deaths due to swine flu in Mexico, but the recently confirmed cases in the United States have been mild.
What are the symptoms of swine influenza?
Swine flu symptoms appear [...]

Russ H asked: Over spring break (April 4-April 9) I went to New York City. Cases of the swine flu are now being recognized in the city and I am experiencing symptoms of an upper respiratory infection. I’m scared I’ve been exposed. How long after exposure to swine flu do symptoms take to generate?
My [...]

What is “Swine” flu? Swine Influenza (swine fl u) is a respiratory disease of pigs caused by type A influenza viruses that causes regular outbreaks in pigs. People do not normally get swine flu, but human infections can and do happen. Swine fl u viruses have been reported to spread from person-to-person, but in the [...]

The symptoms of swine flu in people are similar to the symptoms of regular human flu and include fever, cough, sore throat, body aches, headache, chills and fatigue, and, in some cases people have reported diarrhea and nausea. Like seasonal flu, swine flu may cause a worsening of underlying chronic medical conditions.
Swine influenza (swine flu) [...]

Outbreaks and sporadic human infection with swine influenza have been occasionally reported. Generally clinical symptoms are similar to seasonal influenza but reported clinical presentation ranges broadly from asymptomatic infection to severe pneumonia resulting in death.
Since typical clinical presentation of swine influenza infection in humans resembles seasonal influenza and other acute upper respiratory tract infections, most [...]

Anyone who has contact with an infected person may be exposed to swine flu. Human transmission is thought to occur in the same way as seasonal flu: through aerosolized particles that are released when an infected person coughs or sneezes.
Here are the best ways to avoid getting or spreading swine influenza:
• Encourage all people to cover [...]

Most genetic changes in the flu viruses human, pig, and bird are small and subtle point mutations in the virus’s RNA. Less common but more alarming are sudden, wholesale changes that replace entire genes and are more likely to circumvent the immune system. This process, called genetic shift, is exactly what is now occurring in [...]

Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza viruses. Outbreaks of swine flu happen regularly in pigs. People do not normally get swine flu, but human infections can and do happen. Most commonly, human cases of swine flu happen in people who are around pigs but it’s possible [...]