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We identify, analyse and advise

The Swiss National COVID-19 Science Task Force advises the public authorities in the current COVID-19 crisis. While the Task Force does not make decisions about measures or actions taken, the volunteer group of experts represents relevant scientific fields and ensures that impartial scientific advice is given.

The members of the Swiss National COVID-19 Science Task Force do not receive any remuneration or compensation for their work in the Task Force. Each member has disclosed any potential conflicts of interest. These documents are available on the Organisation & expert groups page.

Policy Briefs

25 Jun

Protection duration after vaccination or infection

Recent studies have characterized the decay kinetics of SARS-CoV-2 specific B and T cell responses after vaccination or infection. They estimate that neutralizing antibody IgG titers decrease with a half-life of around 100 days, while T cell responses seem to be longer lived with a half-life or around 150 days.

News

Scientific update of 3 August 2021

Overview and evolution of the situation, 26 July 2021

Scientific update of 20 July 2021