Highly pathogenic avian influenza H5N1 has caused 71 confirmed human cases across 13 US states since 2024, with ongoing exposure through dairy farms and poultry operations. As of June 2026, cases have been confirmed in California, Colorado, Iowa, Louisiana, Michigan, Missouri, Nevada, Ohio, Oregon, Texas, Washington, Wisconsin, and Wyoming. Three cases involved unknown exposure sources. Two deaths have occurred. CDC considers current risk to the general public as low, but monitors closely for signs of person-to-person transmission.
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H5N1 was first identified in humans in Hong Kong in 1997 during an outbreak linked to live poultry markets. Since 2003, it has caused numerous outbreaks in bird populations across Asia, Africa, and parts of Europe, leading to sporadic but often severe human infections and significant concerns for pandemic potential.
Avian Influenza H5N1 primarily spreads to humans through direct, prolonged contact with infected poultry (live or dead), their secretions (saliva, feces), or contaminated environments (e.g., surfaces in live bird markets). Human-to-human transmission is rare and has not been sustained, but close contact with an infected person might pose a limited risk.
Contagious Period: Varies by disease
Local health department information and state-specific prevention guidance
Our AI-powered surveillance continuously monitors Avian Influenza H5N1 (Bird Flu) activity across Mississippi. We track data from state health departments, local hospitals, CDC reports, and 50+ global health sources to provide early warning of emerging threats.
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For official state health alerts, vaccination locations, and public health guidance specific to Mississippi, visit your state health department's website.
Whether you live in Mississippi or are traveling there, knowing the symptoms, timeline, and when to seek care helps you act quickly if exposure occurs.
Seek care if you experience severe dehydration, bloody stools, high fever, or symptoms lasting more than 3 days. Children under 5, adults over 65, and immunocompromised individuals should seek care earlier.
Emergency symptoms: Severe dehydration, inability to keep fluids down for 12 or more hours, or neurological symptoms require emergency care.
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Trusted information from leading health organizations
Official guidance from the U.S. Centers for Disease Control and Prevention
View CDC Resources →Global disease surveillance and guidelines from the World Health Organization
View WHO Resources →Disease information on Virus Watcher is reviewed by our Chief Epidemiologist, a former CDC lead analyst for FluSight forecasting. Outbreak data is aggregated from verified sources including BEACON, ProMED, WHO, CDC, and 50+ national health agencies. This information is for educational purposes and should not replace professional medical advice.
Last reviewed: 2026-08-08
No confirmed cases reported in Mississippi yet. Here are the latest Avian Influenza H5N1 (Bird Flu) reports from our global surveillance network.
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Poultry industry waiting and watching to see if protection measures can ease A wildlife hospital has set up an off-site triage centre to assess wild birds for signs of the deadly H5 flu, in case the country sees widespread transmission of the disease. There have been no new cas…
Australia has confirmed deadly H5N1 bird flu has been found in 102 wild seabirds across five states at the time of writing, including the country's first mass death of birds. Author * Jane Younger Senior Lecturer in Southern Ocean Vertebrate Ecology, Institute for Marine and Anta…
Add Yahoo as a preferred source to see more of our stories on Google. Australia is now confronting an outbreak of a deadly bird flu strain. As of Monday, the highly pathogenic H5N1 virus had been detected in 78 wild birds across mainland Australia. Until now, there had been no ev…
South Australia may be facing Australia's first mass wildlife death event linked to H5N1 bird flu. More than 80 sick or dying greater crested terns have been found on an island off the South Australian coast. Nationally, the government says the virus can no longer be eradicated. …
CANBERRA, Aug 3 (Reuters) - Australia warned on Monday against the risk of a wider spread of H5N1 bird flu after its first mass mortality episode among seabirds killed about 50 greater crested terns off the coast south of Adelaide. However, there is no evidence yet of the virus o…
SYDNEY - Australia warned on Aug 3 against the risk of a wider spread of H5N1 bird flu after its first mass mortality episode among seabirds killed about 50 greater crested terns off the coast south of Adelaide. However, there is no evidence yet of the virus on Australia's farms,…
Add Yahoo as a preferred source to see more of our stories on Google. The spread of H5N1 birdflu is worsening. At the time of writing, Australia has 53 confirmed detections in wild seabirds across five states. In South Australia there are 39 confirmed cases, including a silver gu…
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