The bird flu outbreak in US cattle has put governments on high alert as they grapple with its potential to contaminate meat and dairy supplies, infect other mammals and transmit to humans.
The surge in cases is testing improvements in disease management since the Covid-19 pandemic, notably in dealing with the threat of zoonotic conditions that can pass from animals to humans.
While scientists say the current evidence does not suggest a high pandemic risk, they are calling for urgent investigations into the virus, its spread into cows and its possible mutations.
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