Matthew M Graziose, Randi L Wolf, Pamela A Koch, Heewon L Gray, Isobel R Contento
Validation of a Questionnaire to Measure Fruits and Vegetables Selected and Consumed at School Lunch among Second- and Third-Grade Students
Journal of the Academy of Nutrition and Dietetics
schools highrisk settings sarscov2 transmission necessary childrens educational socialemotional wellbeing previous research suggests wastewater monitoring detect sarscov2 infections controlled residential settings high levels accuracy however effective accuracy cost feasibility nonresidential community settings unknown objective study determine effectiveness accuracy communitybased passive wastewater surface environmental surveillance detect sarscov2 infection neighborhood schools compared weekly diagnostic pcr testing implemented environmental surveillance system nine elementary schools 1700 regularly present staff students southern california system validated november 2020 march 2021 447 data collection days across nine sites 89 individuals tested positive covid19 sarscov2 detected 374 surface samples 133 wastewater samples ninetythree percent identified cases associated environmental sample 95 ci 88 98 67 associated positive wastewater sample 95 ci 57 77 40 associated positive surface sample 95 ci 29 52 techniques utilized allowed nearcomplete genomic sequencing wastewater surface samples passive environmental surveillance detect presence covid19 cases nonresidential community school settings high degree accuracy county san diego health human services agency national institutes health national science foundation centers disease control