Influenza Virus Types, Subtypes, and Strains - Clinton CountyShare on:
Influenza Virus Types, Subtypes, and Strains. There are three types of influenza viruses: A, B, and C. Influenza Type A. Influenza type A viruses can infect people ...
Influenza virus infections in humans (February 2014)
Seasonal influenza viruses circulate and cause disease in humans every year. ... There are three large groupings or types of seasonal influenza viruses, labeled ...
Pandemic vs. Seasonal Flu: What's the - Prepare Metro KC
Vaccine developed based on known flu strains and available for annual flu season. Vaccine probably would not be available in the early stages of a pandemic.
Pink Book – Influenza - CDC
in ferrets in 1933, and Francis isolated influenza B virus in. 1936. In 1936, Burnet ... The nomenclature to describe the type of influenza virus is expressed in this ...
Is it Flu or Ebola? - CDC
May 4, 2015 ... Flu (influenza). The flu is a common contagious respiratory illness caused by flu viruses. The flu is different from a cold. Flu can cause mild to ...
2015-2016 Seasonal Flu Facts - Oklahoma
Each type of flu virus has different strains, which change from year to year. On average each year, seasonal flu infects between 5–20% of the U. S. population, ...
Influenza Surveillance and Vaccine Strain Selection
Sep 2, 2015 ... circulating influenza viruses will cause more severe, debilitating, and ... Usually, the strains selected for the vaccine will match the flu strains in.
Influenza Virus H1N1 Fact Sheet H1N1 Influenza Virus
Electron Microscopy. Influenza Virus H1N1. Fact Sheet. The influenza type A virus, known as H1N1 is a respiratory infection that was popularly named “swine flu.
Influenza: Questions and Answers - Immunization Action Coalition
Subtypes of the type A influenza virus are identified by two antigens (proteins ... when the novel H1N1 influenza virus appeared in March. 2009 and led to a ...
Influenza Fact Sheet - Virginia Department of Health
It is a contagious respiratory illness caused by influenza viruses that affect the nose, throat, and lungs. There are two main types of influenza virus: A and B.
What is the H1N1 virus and how is it different from the seasonal flu?
The H1N1 flu explained. The H1N1 flu, also known as the “swine flu,” is a new strain of influenza. Like the seasonal flu, the H1N1 flu is a virus that causes a ...
Influenza (”Flu”) Virus is RNA Virus and has Types A & B & C: Type
Influenza (”Flu”) Virus is RNA Virus and has Types A & B & C: Type C: not as much of health problem as Types A & B. Infects humans, dogs, and pigs. Type B: ...
Flu viruses constantly change. This happens in two ways: drift and shift.3. Because of these mutations the strains in the annual seasonal flu vaccine are updated ...
PANDEMIC INFLUENZA H1N1 - AFSCME
that occurs when a new strain of influenza virus appears, which causes serious illness ... there have been multiple cases of Swine-origin Influenza Type A/H1N1.
influenzA - Microbiology Society
An overview of influenzA. Birds and mammals are natural hosts of flu viruses. Different strains cause disease in humans, poultry and pigs; each type of virus.
CDC Influenza Division Key Points • H1N1 flu viruses have been
Mar 4, 2016 ... Influenza-Associated Pediatric Deaths. • U.S. Vaccine Strain Selection. Summary Key Points. • Flu activity remains elevated in the United States ...
Disarming Flu Viruses - Bird Flu
of the two major influenza classes (type. B) that afflict people. Moreover, influen- za viruses seem to become resistant to the drugs fairly easily. Therefore, individ-.
Seasonal, Avian, and Pandemic Flu - New Hampshire Department
A pandemic occurs when a new flu virus emerges and starts spreading as easily as seasonal flu—by coughing and sneezing. Many pandemic strains cause ...
The flu vaccination Winter 2015/16 - Gov.uk
Flu vaccines protect against the main three or four types of flu virus most likely to be circulating. What harm can flu do? People sometimes think a bad cold is flu ...
influenza watch - County of San Diego
5 days ago ... Page 2: Virus Characteristics ... Virus Characteristics. PUBLIC HEALTH ... Figure 2. San Diego County Influenza Detections by Type and Week.