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 [...]

Swine influenza is a respiratory disease of pigs caused by type A influenza viruses and has a major economic impact on the swine industry in the United States. Flu outbreaks in pigs are common, especially during winter months. Swine flu can result in high rates of illness in herds.
High fevers in infected pigs are common, [...]

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) [...]

A vaccine against the newly emerging strain of H1N1 could stop or slow its spread, and thus reduce its impact on health services, workplaces, schools and the economy. Since this virus differs markedly from previous strains of H1N1, existing flu vaccines will not work against it and a new vaccine needs to be developed.
Several different [...]

Like all influenza viruses, swine flu viruses change constantly. Pigs can be infected by bird and human influenza viruses as well as swine influenza viruses. When influenza viruses from different species infect pigs, the viruses can reassort (that is, swap genes) and new viruses can emerge.
That is what has happened with the recent cases of [...]

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 [...]

Influenza viruses exist in three “types,” designated A, B and C. Of these, only influenza A viruses are significant concerns for the health of pigs. However, there are a large number of different “subtypes” of influenza A viruses. These subtypes are defined by the hemagglutinin (H or HA) and neuraminidase (N or NA) proteins of [...]

Influenza, also known as the flu, is a contagious respiratory disease caused by different strains of viruses. In the United States, there is a flu season that begins every fall and ends every spring. The type of flu people get during this season is called seasonal flu. Flu viruses spread from person to person when [...]

What is H1N1 influenza?
H1N1 flu, also known as “swine flu,” is a respiratory disease caused by a type of influenza virus. There are several different types of the “H1N1” flu virus. One type causes illness in pigs. Another type causes illness in people. (Occasionally, the H1N1 virus from pigs can cause illness in humans and [...]