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Usually other differences also exist. Currently, there is no human-adapted form of H5N1 influenza, so all humans who have caught it so far have caught avian H5N1. Human flu symptoms usually include fever, cough, sore throat, muscle aches, conjunctivitis and, in severe cases, severe breathing problems and pneumonia that may be fatal.
How does bird flu transmit to humans? Transmission of bird flu viruses to humans is rare. According to the WHO , since 2003, there have been approximately 903 human H5N1 cases in 24 countries.
A/H5N1 virus can also infect mammals (including humans) that have been exposed to infected birds; in these cases, symptoms are frequently severe or fatal. [2] A/H5N1 virus is shed in the saliva, mucus, and feces of infected birds; other infected animals may shed bird flu viruses in respiratory secretions and other body fluids (such as milk). [3]
Bird flu can be transmitted from birds to humans if they come in close contact with infected animals. According to experts, infected birds shed flu viruses in their saliva, mucous, and feces.
What type of virus is it and how does it spread? H5N1 comes from a group of four flu, or influenza, viruses: A, B, C and D. The strain called bird flu is an influenza A virus and gets its name ...
Instead, the age-fatality curve of H5N1 influenza attacks in humans resembles that of the 1918 Spanish pandemic flu, and is the opposite of the mortality curve of seasonal flu strains, since seasonal influenza preferentially kills the elderly and does not kill by cytokine storm.
How does bird flu spread to humans and other mammals? H5N1 is a shapeshifter, so to speak, due to its segmented DNA, Michael explains. “For example, if a human gets infected with a bird flu and ...
A significant effect of H5N1 has been personal fear concerning the unknown, even by those most in-the-know. Dr. David Nabarro, chief avian flu coordinator for the United Nations, describes himself as "quite scared"; says avian flu has too many unanswered questions; and if the disease starts spreading to humans, borders will close, airports will ...