Xinhua News Agency, Geneva, July 10 — Recently, some scientists have suggested that the transmission of the H5N1 avian influenza virus among humans could be linked to human genetic factors. On July 10th, in Geneva, Davida Nabarro, the United Nations system's senior coordinator on bird flu, emphasized that this idea is still a hypothesis and requires further scientific investigation.
In May, an outbreak of bird flu occurred within a family in North Sumatra, Indonesia, where several members were infected with the H5N1 virus. Research found that the strain affecting one of the boys had undergone minor mutations. However, so far, there has been no evidence of the virus spreading beyond the family.
In response to these findings, Nabarro noted that the affected family was not isolated from the outside world prior to the illness. This raises an important question: why did the H5N1 virus spread only within the family and not to others? According to Nabarro, this is a complex issue, and virologists and geneticists are currently working to uncover the underlying reasons.
Some researchers believe that the limited spread of the H5N1 virus—confined to blood relatives or specific populations—might be influenced by genetic factors in humans. However, Nabarro stressed that such theories remain unproven and should not be considered scientific conclusions at this stage.
Experts continue to monitor the situation closely, as understanding the potential role of human genetics in viral transmission is crucial for developing more effective prevention and control strategies. As new data emerges, the scientific community remains committed to providing accurate and timely information to the public. (Liu Guoyuan)
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