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H5N1

Highly pathogenic avian influenza subtype capable of infecting birds, mammals and occasionally humans.

21 of 21 entries (21 events, 0 interactions)

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#11 17 Jul

Cambodia, not US herds, makes cases

Pandemics and Biosecurity
#8 20 Jun

Why H5N1 hid in cow udders

Pandemics and Biosecurity
#5 29 May

CDC cuts bird-flu reports to monthly

Pandemics and Biosecurity
#4 21 May

Served as the target pathogen for Moderna's mRNA-1018 Phase 3 trial now funded by CEPI

Pandemics and Biosecurity: CEPI rescues Moderna H5N1 vaccine trial
#3 17 May
#3 17 May
#3 17 May
#3 17 May
#3 14 May
#3 14 May
#2 12 May
#2 12 May
#2 1 May

Removed as a mandatory pre-movement testing target for dairy cattle moving from unaffected states

Pandemics and Biosecurity: USDA ends mandatory H5N1 interstate cattle tests
#1 1 May
#1 1 May

Detected in Idaho dairy herds, ending a five-month absence of US dairy cattle detections

Pandemics and Biosecurity: Idaho dairy H5N1 breaks five-month US lull
#1 1 Feb

Killed a Bangladesh child on 1 February via household poultry contact; caused 3 Cambodian human cases in 2026

Pandemics and Biosecurity: Bangladesh and Cambodia keep the poultry H5N1 line