Three viruses are causing alarm in the world for this year: what they are and what they could unleash

TL;DR

Three viruses – avian flu H5N1, mpox, and Oropouche virus – are identified as priority concerns for global health in 2026.
H5N1's detection in dairy cows marks an unprecedented species jump, raising concerns about adaptation and potential human-to-human transmission.
Mpox's clade I variant is expanding beyond its original region, posing a threat to current immunization strategies.
Oropouche virus, transmitted by mosquitoes, is spreading rapidly with no vaccine or specific treatment, and potential links to microcephaly are being investigated.
Environmental changes, international travel, and urbanization contribute to the increased risk of these viral outbreaks.
Key strategies for preparedness include epidemiological surveillance, vaccine development, health system strengthening, and effective public communication.

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