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The Louisiana patient who contracted what officials called the nation’s first “severe” case of avian influenza has died, the state health department said Monday.
The person who contracted the H5N1 strain of highly pathogenic bird flu southwest Louisiana had been hospitalized since mid-December. The patient was over age 65 and had an underlying medical condition, according to the Louisiana Department of Health. They contracted the virus from exposure to a combination of a “non-commercial backyard flock and wild birds,” officials said.
The state health department has withheld the identity and specific location where the patient who contracted avian flu.
State health workers have conducted an “extensive public health investigation” and identified no additional H5N1 cases nor evidence of person-to-person transmission, according to an LDH news release. The patient has been the only human case of H5N1 reported in Louisiana.
The state Department of Agriculture and Forestry has confirmed the presence of H5N1 in two “backyard flocks” in the state, one in Northwest Louisiana and another in Southwest Louisiana. The birds in question were euthanized to contain possible spread risk.
There have been 66 human cases of avian influenza confirmed in a total of 10 states, according to the U.S. Centers for Disease Control and Prevention. California has the most with 37, followed by Washington with 11 and Colorado with 10.
H5N1 can infect wild birds and poultry. It can be passed on to humans who work in close contact with sick and dead birds. Human cases reported in other states have mostly been linked to dairy workers where the virus has been spread to cattle.
The virus can cause severe breathing problems and death in birds. Similar, severe flu-like symptoms can appear in humans, though the risk for public health is still considered generally low.
More than 12,400 persons in the U.S. who believed they were exposed to avian influenza have been monitored, according to the Centers for Disease Control and Prevention. Of that number, 560 have been tested for H5NI, resulting in confirmation of the 63 cases.
State health officials say the best way for families to protect themselves from H5N1 is to avoid sources of exposure, such as direct contact with wild birds or other animals that might be infected.
Experts also advise against eating uncooked or undercooked food. Cooking poultry, eggs and other animal products to the proper temperature helps lower the risk from any possible contaminants.
For anyone who works on poultry or dairy farms, health officials suggest talking to a health care provider about getting a seasonal flu vaccination. It will not prevent infection with avian influenza viruses, but it can reduce the risk of coinfection with avian and flu viruses.
Sick birds or animals should be reported to U.S. Department of Agriculture at 1-866-536-7593 or the Louisiana Department of Agriculture and Forestry Diagnostic Lab at 318-927-3441.
Persons who suspect they were exposed to sick or dead birds or other animals or work on a farm where avian influenza has been detected should watch for respiratory symptoms or conjunctivitis (pink eye).
If you develop such symptoms within 10 days after exposure to sick or dead animals, officials urge you to tell your health care provider you have been in contact with sick animals and are concerned about avian influenza. This information will help them give you appropriate advice on testing and treatment.
Anyone who suspects they are infected with avian flu should stay away from others while symptomatic.
This is a developing story.
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