---
title: "Avian Flu (Bird Flu): Symptoms, Causes, Diagnosis, Treatment"
description: "Avian flu is a bird-to-human influenza that can cause severe pneumonia. Know symptoms, testing, and care options, plus labs and no-referral help."
canonical: "https://www.vitalsvault.com/conditions/avian-flu"
last-updated: 2026-08-22
---

# Avian Flu (Bird Flu): Symptoms, Causes, Diagnosis, Treatment

> Avian flu is a bird-to-human influenza that can cause severe pneumonia. Know symptoms, testing, and care options, plus labs and no-referral help.

---

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