E1 Corona Immunitas Zurich

In the Corona Immunitas study, the aim is to find out how many people in the canton of Zurich have already become infected with the SARS-CoV-2 virus. Randomly selected persons aged 18 and over from the canton were invited to participate. The study included the completion an initial questionnaire, a blood test to measure antibodies, and answering weekly and monthly questionnaires for a period of up to one year after blood collection. In these questionnaires the participants are asked how they feel, whether they have symptoms of COVID-19 disease, whether there was a positive coronavirus test, etc. According to current planning we expect 3 test phases: Summer 2020, Fall/Winter 2020 and Spring 2021.