influenza AInfectious disease An avian virus, especially of ducks–which in China live near the pig reservoir and 'vector'; periodic mutations of the virus–13 hemagglutination and 9 neuraminidase subtypes cause 'flu' epidemics and pandemics. See Antigenic drift, Antigenic shift. Cf Influenza B, Influenza C.
Patient discussion about influenza A
Q. do i have a flu
Do you have any of the signs or symptoms of it? (as listed here: http://en.wikipedia.org/wiki/Influenza#Symptoms_and_diagnosis or here: http://www.nlm.nih.gov/medlineplus/ency/article/000080.htm)
Q. Should I get a flu shot? I was wondering if one should get a flu shot. Does it even work and protect from the flu?
1. Children aged 6 months up to their 19th birthday
2. Pregnant women
3. People 50 years of age and older
4. People of any age with certain chronic medical conditions
5. People who live in nursing homes and other long-term care facilities
6. People who live with or care for those at high risk for complications from flu, including: Health care workers, Household contacts of persons at high risk for complications from the flu and Household contacts and out of home caregivers of children less than 6 months of age (these children are too young to be vaccinated)
Q. Can you get influenza after a dentist visit? I’ve been to the dentist yesterday and I woke up sick. Is it considered mal practice?