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Based on data from Geneva, Switzerland, a team from the University of Geneva (UNIGE) and the Geneva University Hospitals (HUG) assessed the effectiveness of contact tracing in controlling the pandemic.
During the COVID-19 pandemic, Switzerland, like many other countries, relied on contact tracing to identify people likely to have been contaminated by an infected acquaintance.
During the COVID-19 pandemic, Switzerland, like many other countries, relied on contact tracing to identify people likely to have been contaminated by....
A team from the UNIGE and the HUG analyzed the contacts of 50,000 COVID-19 positive cases. Immunity following vaccination provides better protection for those around you.
Nearly one in three people exposed to SARS-CoV2 is infected, and as many as two in five with the Omicron variant. In the case of immunity — conferred by vaccination, infection or a combination of the two — this rate drops to one in ten. However, immunity disappears within a few months, confirms a team from the University of Geneva (UNIGE) and Geneva University Hospitals (HUG), after revisiting epidemiological data collected in Geneva. While protection following infection appears to be slightly greater than after vaccination — albeit at the risk of potentially severe symptoms — vaccinat...