Science Project*
Write the information about *rabies* , *malaria* , *swineflu* and *covid-19* diseases with explanation of symptoms, reason and prevention
Answers
Swine flu can affect both pigs and humans. It is a respiratory disease that results from an influenza A virus.
The influenza A variant subtype H1N1 is commonly the cause of swine flu in humans. It has similar genetic features to the H1N1 subtype of influenza virus that causes influenza in pigs.
Other main subtypes known to occur and cause influenza in pigs include H1N2 and H3N2Trusted Source. There have been infections in humans with these two variant subtypes as well.
In 2009, the H1N1 variant became widespread in humans for the first time.
Since 2009, the H1N1 virus has become one of the common viruses that circulate each flu season. Many people now have some immunity to the virus. As a result, experts are now less concerned about this type of swine flu than they were in 2009.
However, any time a virus affects humans from a different source, it is a concern. Scientists cannot always tell how a new virus will affect people, or how it will change over time.
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