
DEPENDING ON THE STRAIN of avian flu and the health condition of the host, avian flu can have mild to severe symptoms.


SYMPTOMS IN HUMANS

fatigue


muscle and body aches


altered conciousness


death



high fever


difficulty breathing


seizures


mild fever (100℉ or higher)


runny/stuffy nose


headaches




eye irritation and redness




misshapen or soft egg shells


ruffled feathers


gasping


twisted necks


low coordination


low egg production



wheezing and nasal discharge


sudden death


low energy


purple swelling around neck, legs, eyes, and head


laying down and pedaling


Diarrhea




low appetite

Symptoms of avian flu in cattle include a low appetite, reduced milk production, or thick and discolored milk.
As of April, 2025, severe cases of avian flu are not common in humans, but there is potential for this to shift.




tremors

SYMPTOMS IN POULTRY


MILD SYMPTOMS


SEVERE SYMPTOMS
*most common symptom in humans



purple discoloration head and legs


paralyzed wings


Warning sign of Avian Flu in poultry: drinking less water is an early symptom of avian flu
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