Prävalenz von COVID-19 bei Kindern in Baden-Württemberg

Study Population: This is an interim analysis not included in the initial study protocol performed on 4,932 subjects (2,466 children and 2,466 corresponding parents) with some minor data cleaning and validation still ongoing. 2. Detection of acute SARS-CoV-2 infection by RT-PCR: During the sampling period between April 22nd and May 15th, 2020, among the 4,932 individuals who were tested by RT-PCR, only 2 subjects (0.04%), one child and the corresponding parent, were positive for SARS-CoV-2. Both subjects reported only mild symptoms. 3. SARS-CoV-2 Seroprevalence:Of 4,932 individuals tested for SARS-CoV-2 IgG antibodies, 64 subjects were categorized as seropositive, corresponding to a seroprevalence of 1.3% (95% confidence interval, 1.0 – 1.7%). Altogether, 19 children (0.8%; 95% confidence interval, 0.5 – 1.2%) and 45 parents (1.8%; 95% confidence interval, 1.3 – 2.4%) were seropositive. Seropositivity was found in 7/1,122 in the age group of 1 – 5 years (0.6%; 95% confidence interval, 0.3 – 1.3%), 12/1,358 in the age group of 6 – 10 years (0.9%, 95% confidence interval, 0.5 – 1.6%) and 45/2,468 in the parent group (1.8%; 95% confidence interval, 1.3 – 2.4%)