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Why is bird flu becoming more dangerous?
Recent studies show that some bird flu strains are resistant to the body's natural fever response, which normally helps fight infections. This resistance allows the virus to survive at higher temperatures, potentially making it more severe in humans. The emergence of new strains like H5N5 also raises concerns about increased transmissibility and severity.
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What does resistance to fever mean for human health?
Fever is a key part of the body's defense against infections. When a virus is resistant to fever, it can survive and replicate more easily, possibly leading to more severe illness. This resistance could make bird flu harder to detect early and treat effectively, increasing the importance of monitoring these strains closely.
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How serious is the recent H5N5 case in Washington?
The first US case of H5N5 was confirmed in an older adult with underlying health conditions. While this highlights the virus's ability to infect humans, public health officials emphasize that the risk to the general public remains low. The case involved exposure to wild birds and backyard poultry, but there is no evidence of human-to-human transmission so far.
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Should I be worried about bird flu now?
Currently, the risk to the general public is considered low. Authorities are actively monitoring bird flu strains for genetic changes and resistance traits. While the situation warrants attention, there is no need for panic. Practicing good hygiene and avoiding contact with wild birds or sick poultry can help reduce your risk.
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What are scientists doing to prevent a bird flu outbreak?
Scientists are closely studying the genetic makeup of bird flu strains, especially those showing resistance to fever. Surveillance efforts focus on detecting gene swapping, like changes in the PB1 subunit, which could make the virus more adaptable or transmissible. Early detection and research are key to preventing larger outbreaks.
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Can bird flu spread from person to person?
According to current information from the CDC, there is no evidence that bird flu is spreading easily between humans. Most cases are linked to contact with infected birds. However, scientists remain vigilant for any signs of increased human-to-human transmission, which could change the risk level.