A recent study suggests that the H9N2 bird flu virus, often considered a minor strain, has adapted to human cells, sparking concerns about its potential to cause a human pandemic.
Although cases of person-to-person transmission have not been reported yet, scientists are worried about the spread of this and other bird viruses, with Avian influenza virus H5N1 being a focus of attention in recent years.
The researchers say more surveillance of the virus is needed.
The team's findings highlight the importance of monitoring the H9N2 virus to prevent a potential pandemic.
Author's summary: H9N2 bird flu virus poses pandemic risk.