Preventing and Mitigating SARS-CoV-2 Transmission — Four Overnight Camps, Maine, June–August 2020
Open accessAbstract
An overnight camp in Georgia recently reported SARS-CoV-2, the virus that causes COVID-19, transmission among campers and staff members when nonpharmaceutical interventions (NPIs) were not strictly followed (1); however, NPIs have been successfully used to mitigate SARS-CoV-2 transmission among military basic trainees (2). During June-August 2020, four overnight camps in Maine implemented several NPIs to prevent and mitigate the transmission of SARS-CoV-2, including prearrival quarantine, pre- and postarrival testing and symptom screening, cohorting, use of face coverings, physical distancing, enhanced hygiene measures, cleaning and disinfecting, and maximal outdoor programming. During the camp sessions, testing and symptom screening enabled early and rapid identification and isolation of attendees with COVID-19. Among the 1,022 attendees (staff members and campers) from 41 states, one territory, and six international locations, 1,010 were tested before arrival; 12 attendees who had completed a period of isolation after receiving a diagnosis of COVID-19 2 months before arrival were not tested. Four (0.4%) asymptomatic attendees received positive SARS-CoV-2 test results before arrival; these persons delayed their arrival, completed 10 days of isolation at home, remained asymptomatic, and did not receive any further testing before arrival or for the duration of camp attendance. Approximately 1 week after camp arrival, all 1,006 attendees without a previous diagnosis of COVID-19 were tested, and three asymptomatic cases were identified. Following isolation of these persons and quarantine of their contacts, no secondary transmission of SARS-CoV-2 occurred. These findings can inform similar multilayered public health strategies to prevent and mitigate the introduction and transmission of SARS-CoV-2 among children, adolescents, and adults in congregate settings, such as overnight camps, residential schools, and colleges.
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Non-pharmaceutical interventions are effective in children.
“Non-pharmaceutical interventions (NPI) are effective in children with evidence mounting from schools and summer camps.10”
From SARS-CoV-2 vaccine testing and trials in the pediatric population: biologic, ethical, research, and implementation challenges (2021) · cites this paper as [10]
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References 9 · Cited by 41
- Authors
- Blaisdell, L. L., Cohn, W., Pavell, J. R., Rubin, D. S., & Vergales, J. E.
- Affiliations
- Boston University (US)
- Corresponding author
- Blaisdell, Laura L.
- Venue
- MMWR. Morbidity and Mortality Weekly Report
- Published
- 2020-09-04
- Volume
- 69
- Issue
- 35
- Pages
- 1216-1220
- ISSN
- 0149-2195 (ISSN-L)
- 1545-861X
- PMC
- PMC7470465
- OpenAlex
- W3080175183
- Cited by
- 41
- References
- 9
- Citations by year
- 2025: 2 · 2024: 2 · 2023: 3 · 2022: 11 · 2021: 16 · 2020: 7
- FWCI
- 1.47
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Locations
- MMWR Morbidity and Mortality Weekly Report (publishedVersion)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Mathematics › Modeling and Simulation › COVID-19 epidemiological studies
- Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
- Social Sciences › Sociology and Political Science › COVID-19 Prevention and Impact
- Keywords
- SARS-CoV-2, COVID-19 pandemic, non-pharmaceutical interventions, symptom screening, cohorting, face coverings, social distancing, asymptomatic transmission, isolation, contact tracing, congregate settings, children and adolescents
- MeSH terms
- COVID-19, COVID-19 Testing, Adolescent, Adult, Aged, Camping, Child, Female, Humans, Maine, Male, Middle Aged, Pneumonia, Viral, Quarantine, Coronavirus Infections, Clinical Laboratory Techniques, Young Adult, Asymptomatic Diseases, Pandemics
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