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Bird Flu (H5N1) Human Risk: Expert Insights from WebMD Live Event

WebMD Live Event: Bird Flu & Human Health (Feb 28, 2023)

Federal experts addressed the ongoing H5N1 avian influenza outbreak and its implications for humans.

Panelists

  • Dr. Anthony Fauci, NIAID Director
  • Dr. Robert Redfield, former CDC Director
  • Dr. Nancy Messonnier, CDC NCIRD Director

Key Discussion Points

Current Outbreak Status

  • Largest, most widespread H5N1 outbreak in history.
  • Detected in wild birds, commercial/backyard poultry across North America, Europe, Asia, Africa.
  • Massive poultry losses (culling); economic impact on egg/turkey industries.

Human Risk Assessment

  • Current risk to general public: LOW.
  • No confirmed sustained human-to-human transmission of this clade (2.3.4.4b).
  • Rare human cases: all linked to close, prolonged, unprotected contact with infected birds.
  • No U.S. human cases as of event date.

Symptoms in Humans

Fever, cough, sore throat, muscle aches, fatigue, conjunctivitis, shortness of breath, pneumonia. Can progress to severe respiratory failure.

Treatment

  • Antivirals (oseltamivir) effective if started early.
  • Supportive care for severe cases.

Prevention

  • Avoid contact with sick/dead birds (wild or domestic).
  • Poultry workers: PPE (N95, goggles, gloves), hand hygiene, biosecurity.
  • Cook poultry/eggs to 165°F (74°C)—kills virus.
  • Seasonal flu vaccine does not protect against H5N1 but prevents co-infection.

Key Takeaways

  • Situation monitored closely; risk may evolve.
  • Surveillance in animals and humans intensified.
  • Candidate vaccine viruses prepared; stockpiled antivirals available.
  • Public health messaging: avoid bird contact, report sick birds, safe food handling.

Resources

Stay informed via official channels. Risk remains low, but vigilance is warranted.

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