While H9N2 typically causes mild symptoms in poultry, it can lead to more severe illness than seasonal flu in humans, particularly children. Although there have been fewer than 200 reported cases of H9N2 in humans since 1998, the number has been increasing. China reported 29 human cases of H9N2 last year, compared with 11 in 2024.
Dr. Kelvin To, a clinical microbiologist who led the November study, said that these numbers are likely underestimates because many infected people are never tested, and the virus may spread undetected. This highlights the challenges in tracking and understanding the true prevalence of the virus.
The development and spread of these viruses raise concerns about potential pandemics and the need for improved surveillance and response strategies. Scientists are using AI and machine learning to analyze viral mutations, predict transmission patterns, and develop effective vaccines and treatments. These technologies can process vast amounts of data to identify potential threats and inform public health interventions.
The ongoing research into bird flu viruses underscores the importance of global collaboration and data sharing to address emerging infectious diseases. By combining scientific expertise with advanced AI tools, researchers hope to better understand and mitigate the risks posed by these viruses.
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