![]() In addition, recent illnesses may not yet be reported as it usually takes 2 to 4 weeks to determine if a sick person is part of an outbreak. The true number of sick people in an outbreak is likely much higher than the number reported because many people recover without medical care and are not tested for Salmonella. Wild songbirds, such as pine siskins, can be found throughout the United States, so this outbreak may not be limited to the states with known illnesses. Of 17 people with information available, 8 have been hospitalized. Sick people range in age from 2 months to 89 years, with a median age of 16 years, and 63% are female. Illnesses started on dates ranging from December 26, 2020, to Ma(see timeline). ![]() Epidemiologic DataĪs of March 30, 2021, a total of 19 people infected with the outbreak strain of Salmonella Typhimurium have been reported from eight states (see map). If you find a dead bird, check with your state wildlife agency external icon for information about reporting dead birds in your area.ĬDC and public health officials in several states are collecting different types of data to investigate a multistate outbreak of Salmonella Typhimurium infections in people.Įpidemiologic and laboratory data show that contact with wild songbirds and bird feeders is likely making people sick in this outbreak. If you find a sick bird, call your state wildlife agency external icon or wildlife rehabilitator external icon. Never handle wild birds with your bare hands. Keep pets away from bird feeders and bird baths and the areas under them. You may need to clean them more often as bird poop and other dirt builds up on your feeder. Public Health ActionsĬlean your bird feeder and bird bath at least monthly. WGS of bacteria isolated from 26 people’s samples and 17 animal samples did not predict any antibiotic resistance. WGS analysis showed that the Salmonella from the pine siskins was closely related to bacteria from sick people. Officials in Oregon and Washington collected samples from sick or dead wild pine siskin birds. This means that people in this outbreak likely got sick from contact with the same source. WGS showed that bacteria from sick people’s samples were closely related genetically. DNA fingerprinting was performed on bacteria using a method called whole genome sequencing (WGS). CDC PulseNet manages a national database of DNA fingerprints of bacteria that cause gastrointestinal illnesses. Public health investigators used the PulseNet system to identify illnesses that were part of this outbreak. Fifteen people had pets that had access to or contact with wild birds. Of the 21 people interviewed, 13 (62%) reported owning a bird feeder and 4 (19%) people reported contact with a sick or dead wild bird. State and local public health officials interviewed people about the animals they had contact with in the week before they got sick. Of 27 people with information available, 14 were hospitalized. Sick people ranged in age from 21 days to 89 years, with a median age of 13 years, and 54% were female. Illnesses started on dates ranging from December 26, 2020, to Ap(see timeline). ![]() Epidemiologic DataĪs of May 28, 2021, a total of 29 people infected with the outbreak strain of Salmonella Typhimurium were reported from 12 states (see map). CDC and public health officials in several states collected different types of data to investigate a multistate outbreak of Salmonella Typhimurium infections in people.Įpidemiologic and laboratory data showed that contact with wild songbirds and bird feeders made people sick in this outbreak.Īs of May 28, 2021, this outbreak is over.
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