Case Definition: Avian H5N1 Influenza
Providers should take a travel history on all patients presenting with a acute febrile respiratory illness and should report immediately any suspect cases of avian H5N1 influenza meeting the following clinical AND epidemiologic criteria during the current pandemic alert period.
Suspect case? Call MDH anytime at 651-201-5414 or 1-877-676-5414.
Control Precautions for Avian Influenza: Initial contact
Use full barrier protection (airborne, contact, and standard precautions, plus face/eye protection).
- Notify MDH at 651-201-5414 or 1-877-676-5414.
- Make note of healthcare workers who had unprotected contact with patient and as much as possible, limit patient's contact with other healthcare workers.
- Call MDH at 651-201-5414 or 1-877-676-5414 to discuss possible
testing and follow-up.
- Minimally, patient should be instructed to self-monitor and seek medical attention if changes in symptoms.
- Travel to/resident of area affected by H5N1 avian influenza (animals or humans) within 10 days of onset of symptoms.
- Contact with birds or poultry, including touching birds (well-appearing, sick, or dead birds) or consuming uncooked poultry (including blood) in the affected area; or
- Direct contact with poultry feces or surfaces contaminated with poultry feces; or
- Close contact with someone known or suspected to have H5N1 avian influenza, during or one day prior to that person's illness; or
- Close contact with a person who died or was hospitalized due to a severe respiratory illness.
- Occupational exposure: possible exposure to H5N1, including:
- Healthcare workers (HCWs) in contact with patients known or suspected to have H5N1 infection; or
- Worker in a laboratory that contains H5N1 virus; or
- Poultry worker (farm, market, or processing), with known or suspected H5N1 avian influenza infection among poultry.
- Temperature >38°C (100.4°F); and
- Cough, sore throat or dyspnea; and
- Hospitalized with radiographically confirmed pneumonia, Acute Respiratory Distress Syndrome (ARDS) or other undiagnosed severe respiratory illness.
Typical symptoms are respiratory; however, note that some cases have presented with encephalitis or diarrhea. In such cases other specimens may be submitted to MDH for evaluation.
Close contact is defined as having cared for or lived with a person known to have avian influenza or having a high likelihood of direct contact with respiratory secretions and/or body fluids of such a person. Examples of close contact include kissing or embracing, sharing eating or drinking utensils, close conversation (<3 feet), physical examination, or any other direct physical contact between persons. Close contact does not include activities such as walking by a person or briefly sitting across from a patient in a waiting room or office.
updates - Avian influenza
Check the latest situation report for a list of the countries that have had human cases of H5N1. Attention: Non-MDH link
on Avian Influenza in Animals from Asia (Type H5)
OIE lists the countries with animal avian influenza cases. Attention: Non-MDH link
- Where Is H5N1
Avian Influenza Now?
Maps and lists of the countries reporting human or animal cases.