![]() State and local public health officials interviewed ill people to determine what they ate and other exposures in the week before they got sick. These findings do not affect treatment guidance since antibiotics are not recommended for patients with E. Standard antibiotic resistance testing by CDC’s National Antimicrobial Resistance Monitoring System (NARMS) laboratory is currently underway. WGS analysis of 15 isolates from ill people and 4 isolates from food did not predict resistance to any antibiotics. Of 16 ill people with information available, 6 were hospitalized. Ill people ranged in age from 8 to 71 years, with a median age of 28 years, and 72% were female. Illnesses started on dates ranging from September 2, 2020, to November 6, 2020. A list of the states and the number of cases in each can be found on the Map of Reported Cases page. coli O157:H7 were reported from nine states. This means that people in this outbreak were more likely to share a common source of infection.Īs of December 16, 2020, a total of 18 people infected with the outbreak strain of E. In this investigation, WGS showed that bacteria isolated from ill people were closely related genetically. ![]() WGS gives investigators detailed information about the bacteria causing illness. ![]() CDC PulseNet manages a national database of these sequences that are used to identify possible outbreaks. coli bacteria isolated from ill people by using a standardized laboratory and data analysis method called whole genome sequencing (WGS). PulseNet is the national subtyping network of public health and food regulatory agency laboratories coordinated by CDC. Public health investigators used the PulseNet system to identify illnesses that may have been part of this outbreak. Food and Drug Administration (FDA) investigated a multistate outbreak of E. CDC, public health and regulatory officials in several states, and the U.S.
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