8/20/2023 0 Comments Covid illinois camp![]() Information on symptom onset or specimen collection dates (available for 174 of 180 persons), COVID-19 vaccination status (from the state immunization registry), county of residence, test results, and viral sequencing data (available for 31 persons) was collected for persons with camp- and conference-associated cases (primary cases). § Cases were identified through case investigation after laboratory notification of a positive test result. After conference-associated COVID-19 cases were identified, conference attendees and staff members were notified, encouraged to receiving SARS-CoV-2 testing, and instructed to quarantine per CDC guidance and isolate if they received a positive test result.Ī confirmed case was defined as receipt of a positive SARS-CoV-2 nucleic acid amplification test result in a camp or conference attendee, and a probable case was defined as receipt of a positive SARS-CoV-2 antigen test result. The first case in a conference attendee was diagnosed on June 21, 2 days after the conference. † The conference was held at a different location from the camp and included 500 attendees and 30 staff members, and, as with the camp, no COVID-19 vaccination, SARS-CoV-2 testing, or masking was required. Six camp staff members who received positive SARS-CoV-2 test results also attended the conference during June 18–19 but did not receive their results until after the conference ended all six staff members had symptom onset during June 17–29. Campers and staff members were notified, encouraged to receive SARS-CoV-2 testing, and instructed to quarantine per CDC guidance and isolate if they received a positive test result.* On June 16, the second to last camp day, one camper departed after becoming ill with a fever and respiratory symptoms and subsequently received a laboratory-confirmed diagnosis of COVID-19. Campers were housed in large, shared boarding facilities of approximately 100 campers each, dined in a cafeteria together, participated in indoor and outdoor small group activities in which campers were with the same persons during program events, and participated in activities with all campers during all 5 days. No proof of COVID-19 vaccination or SARS-CoV-2 pretesting or testing on arrival was required, and the list of suggested items to bring to camp did not include masks. A total of 294 campers arrived on buses or large passenger vans and were met by 41 staff members. The camp was held during June 13–17, 2021, and included persons aged 14–18 years from a church organization with multiple locations across western Illinois, Iowa, and Missouri. ![]() Implementation of multiple prevention strategies, including vaccination and nonpharmaceutical interventions such as masking, physical distancing, and screening testing, are critical to preventing SARS-CoV-2 transmission and serious complications from COVID-19. In Los Angeles County, California, during July 2021, when the SARS-CoV-2 B.1.617.2 (Delta) variant was predominant, unvaccinated residents were five times more likely to be infected and 29 times more likely to be hospitalized from infection than were vaccinated residents ( 1). ![]() ![]() This investigation underscores the impact of secondary SARS-CoV-2 transmission during large events, such as camps and conferences, when COVID-19 prevention strategies are not implemented. Approximately 1,000 persons across at least four states were exposed to SARS-CoV-2 through attendance at these events or through close contact with a person who had a primary case. None of the vaccinated persons with cases were hospitalized. Among the 180 total persons with outbreak-associated cases, five (2.8%) were hospitalized no deaths occurred. Eight of these 38 close contacts subsequently became infected with SARS-CoV-2, the virus that causes COVID-19 (secondary cases) among the eight close contacts with secondary cases, one half (four) were fully vaccinated. Among the 122 cases associated with the camp or the conference (primary cases), 18 were in persons who were fully vaccinated, with 38 close contacts. As of August 13, a total of 180 confirmed and probable cases had been identified among attendees at the two events and their close contacts. Neither COVID-19 vaccination nor COVID-19 testing was required before either event. On June 30, 2021, the Illinois Department of Public Health (IDPH) contacted CDC concerning COVID-19 outbreaks at two events sponsored by the same organization: a 5-day overnight church camp for persons aged 14–18 years and a 2-day men’s conference.
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