There are three types of influenza viruses. They are A,B and C. Of the three, influenza virus A is the most common one. This type has been reported to be the root cause of several epidemics in history. Influenza type B has also been the cause of outbreaks but of a smaller extent than type A. Influenza type C is mild and induce controllable and uncomplicated respiratory infections only
1930s was the period in which scientists developed flu viruses from embryonic eggs. Then in 1940s, the first flu shot was tested among the World War II soldiers. Later In 1947, Jonas Salk, one of those who were responsible for flu vaccine creation, developed polio vaccine that was accepted in 1955
In this case, to be specific, the 1918 flu pandemic has been reported to have entered US on March 4 1918 at Fort Riley Kansas. Queens New York came up with a few cases on March 11 1918. The in august 1918, a virulent form of this disease was reported at Boston in USA.
Although still doctors use “rapid influenza diagnostic tests”in offices and emergency departments, it actually does a fairly poor job of sniffing out H1N1which is shown by a growing body of evidence.I think people are growing a little less confident when they get the results of those tests.
“All women should get an influenza vaccination during pregnancy coz if is really safe for both child and mother.Also, influenza vaccination during all trimesters of pregnancy is now
Of course you can test for influenza A. The most common way of doing this is via nasal aspirate.Nasal wash or NB swab can also be used for this purpose.
Eventhough people and scientists believe that influenza virus is genetically linked with H1N1 virus,there is somehow few differences seen in between ordinary or seasonal virus and H1V1virus.Also, it has been believed that H1N1 virus has been previously found in NorthAmerica and Asia.
Since each influenza case can be different, there isn’t a concrete evidence identifying the exact number of death due to Influenza. However, influenza is reported to cause about 36,000 death each year.
No, the 1918 Spanish Influenza that killed about 40 million people, is not similar to the bird flu. This is as per the findings made by Taubenberger.
The Genus of the viral family Orthomyxoviridae is called Influenza B. It is also popularly known as Type B influenza. The symptoms of type B influenza are similar to that of type A, however they are milder.