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Varicella (Chickenpox)
Chickenpox, also known as varicella, is a common infection caused by the varicella zoster virus (VZV)
Measles
Measles is a highly infectious viral illness with the potential for serious and life-threatening complications
Yellow fever
Yellow fever is a viral disease transmitted by mosquitoes causing a spectrum of disease from mild to severe symptoms
Tuberculosis
Mycobacteriumtuberculosis is the most frequent cause of TB worldwide and affects only humans
Methanol poisoning
Methanol is a clear, colourless liquid; drinking methanol, even in very small amounts, is extremely dangerous
Recent Influenza A(H5N5) Outbreaks
Influenza A(H5N5) in USA
On 21 November 2025, local health authorities in Washington State, USA, reported a fatal, laboratory-confirmed avian influenza A(H5N5) infection in an older adult with underlying health conditions, who had contact with backyard domestic birds. This is the first human infection with this variant reported worldwide and the result was confirmed by the US Centers for Disease Control and Prevention (CDC). Please see our Topics in Brief article for further details on avian influenza.
