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Does all influenza virus originate from birds? |
Does all influenza virus originate from birds? nope you can get influenza viruses from pigs, cats, dogs and monkeys genetically altering themselves to infect humans. The spanish flu virus however was from birds, but the most likely source of a new influenza strain infecting humans is if it infects pigs first because pigs are quite genetically similar to humans. It's quite hard for flu viruses from other species to infect humans in a 'sustainable' way however, as they need to change alot of the surface proteins on their outsides in a process called antigenic shift. No. |
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No influenza isn't bad. Its just the flu. Hence inFLUenza. But it can become a bad sickness, if you don't get better and ignore it, and don't see a doctor. Influenza is just a typ... The major reason is that influenza, like most viruses, relpicate and live longer on non-living surfaces in the presence of moisture in the air and on the surface. This is why in places like the Sou... Influenza is actually an airborne disease. If someone who already has it, even if they don't know it yet, they can spread the virus. If they cough, sneeze, etc there is a large area of respira... I am not aware of literature that has studied this in detail, however the general wisdom is "only for a very few hours". We know that the virus can be kept alive overnight if a collected... Dude. ME too. Yes it is due to the flu quite possibly. Are u coughing? When u dont get enough rest on top of being sick, the slightest wrong movement could do some damage like pull a muscle in your... The main way that influenza viruses are spread is from person to person in respiratory droplets of coughs and sneezes. (This is called "droplet spread.") This can happen when droplets fro... It is a virus, so it is passed around like a cold. The best way to avoid it is keeping everything clean and lots of hand washing! ...I'm a little behind on my viruses but I don't really get your question. The primary host would depend on the strain. For example the primary host for swine flu would be a pig. Some influe... |
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