Are swine flu or bird flu viruses dangerous
Most viruses that cause swine flu or bird flu are very hard to pass from one human to another: they don’t cause epidemics. Sometimes, however, further changes in genes create a virus that can spread rapidly among humans, and can produce a more severe illness. One reason this illness is more severe is that the virus is so new. The regular flu that Read more
What are “swine flu” and “bird flu”?
An epidemic of swine flu has recently developed in Mexico and the United States, says the CDC. Swine flu has killed many people, and the outbreak has features that suggest it could become a global pandemic. A pandemic is an epidemic that spreads around the whole world. Pandemics also often cause more severe disease than epidemics.
If a pandemic happens, it could be very serious for human health and the global economy (which definitely does not need any more bad news right now).
Q: What are “swine flu” and “bird flu”?
A: Flu is a disease caused by the influenza virus. Humans, pigs, birds, and other animals all can be infected by influenza viruses. Typically, influenza viruses can infect only Read more
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