Health
CDC details 2023 trichinosis outbreak linked to undercooked bear meat
A 2023 outbreak of trichinosis associated with undercooked bear meat in western North Carolina highlights the need for local health departments and wildlife managers to educate the public on how to safely prepare wild game meat. , said investigators from the Centers for Disease Control and Prevention (CDC) and the U.S. Centers for Disease Control and Prevention. North Carolina Department of Health and Human Services.
in report Published yesterday Morbidity and Mortality Weekly Report (MMWR), the authors explain the outbreak and link the increased rate to consumption of wild animals. Trichinosis, also called trichinosis, is caused by: trichinella Parasites due to consumption of raw or undercooked meat containing dormant larvae.
The rare parasitic disease usually causes muscle pain and fever (54% of cases), facial swelling (42%), causes persistent muscle pain, and in rare cases can lead to death (0.2%).
Diagnosis is difficult and treatment is expensive
The index case was reported to the North Carolina Department of Public Health on November 29, 2023, with flu-like signs and symptoms and facial swelling.
To kill wild game meat, it must be cooked to an internal temperature of 165°F (74°C) or higher. trichinella Seed parasite.
Of the 34 gathering participants surveyed, 22 said they had eaten undercooked bear meat, and 10 said they had signs or symptoms of trichinosis. Nine of the 10 patients had facial swelling, six had muscle pain, and four had fever. Patients' ages ranged from 10 to 40 years (median 17 years). The median incubation period (time from ingestion to onset of symptoms) was 21 days (range 7-26 days). Most patients were prescribed antiparasitic drugs, but in some cases drug use was delayed.
5 patients were tested trichinella Immunoglobulin G antibody. Although all results were negative, a definitive diagnosis requires additional convalescent serology testing, and none of the patients returned for testing. No bear meat was available for testing.
“Furthermore, it is difficult to confirm infection by testing convalescent serum, regardless of whether a patient has received treatment or not, because acute symptoms have often resolved by the time samples can be collected. “Yes,” the researchers wrote. “Patients who recover may have little incentive to get tested again.”
Although trichinellosis remains rare, the researchers noted that thousands of bears are killed by hunters in North Carolina each year, and black bears are a common host for trichinellosis. trichinella seed.
“Informing people about safe ways to prepare wild game meat is the most effective way to prevent trichinosis,” the authors write. “Diagnostic antibody tests can be less accurate and treatment costs can be high. To kill wild game meat, an internal temperature of 165°F (≧ 74°C) is required. must be heated to. trichinella Seed parasite. ”
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Sources 2/ https://www.cidrap.umn.edu/foodborne-disease/cdc-details-2023-trichinellosis-outbreak-linked-undercooked-bear-meat The mention sources can contact us to remove/changing this article |
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