WHO Director-General's opening remarks at the media briefing – 8 May 2024
8 May 2024
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Now to the United States, and the outbreak of H5N1 avian influenza among dairy cattle.
So far, 36 dairy herds have been infected in nine states. Only one human case has been reported, at least 220 people are being monitored and at least 30 have been tested.
However, many more people have been exposed to infected animals, and it is important that all those exposed are tested or monitored, and receive care if needed.
So far, the virus does not show signs of having adapted to spread among humans, but more surveillance is needed.
The virus has been detected in raw milk in the US, but preliminary tests show that pasteurization kills the virus.
WHO’s standing advice in all countries is that people should consume pasteurized milk.
Based on the available information, WHO continues to assess the public health risk posed by H5N1 avian influenza to be low, and low-to-moderate for people exposed to infected animals.
In recent years, H5N1 has spread widely among wild birds, poultry, land and marine mammals, and now among dairy cattle.
Since 2021, there have been 28 reported cases in humans, although no human-to-human transmission has been documented in that time.
WHO has a strong system for monitoring influenza around the world, through a network of influenza centres in 130 countries, 7 Collaborating Centres and 12 reference laboratories with the capacities and biosafety requirements to deal with H5 viruses.
We also have the Pandemic Influenza Preparedness Framework, to support the rapid development and equitable distribution of vaccines in case of an influenza pandemic.
However, no similar system exists for other pathogens – a gap that WHO Member States are now seeking to close through the Pandemic Agreement.
The outbreak of H5N1 in dairy cattle also demonstrates the importance of a One Health approach that recognizes the intimate links between the health of humans, animals and our environment.
These two systems – one to prevent outbreaks and pandemics through a One Health approach, and another to respond to them by sharing vaccines – are two vital elements of the Pandemic Agreement that WHO Member States are negotiating as we speak.
I am encouraged that all 194 Member States are strongly committed to finalizing the agreement in time for the World Health Assembly. They are working long hours to find common ground, in good faith, for the people of the world.
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