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Yellow heat health alerts issued for the East Midlands, East of England, London, North West, South East, South West and West Midlands

Regions affected include the East Midlands, East of England, London, North West, South East, South West and West Midlands from 9am on Tuesday 14 July until Friday 17 July at 9pm. For more information, please see the Weather health alerts page.

Entry title:

Emerging infections and zoonoses

Last updated on Thursday, 9 July 2026 at 09:30am

An emerging infectious disease can either be a newly recognised infectious disease or a known disease with a reported incidence increasing over the past 20 years in a specific place, or among a specific population.

A zoonotic infection is a disease caused by pathogens (like viruses, bacteria, or parasites) transmitted from animals to humans, either directly (for example, through contact) or indirectly (for example, through vectors like mosquitoes).

Between 60% and 80% of emerging infections are derived from animal sources.

  • Mpox

    Monthly case numbers of mpox clade Ib and clade IIb

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