The virus blurs the tracks

While the evolution of the number of Covid-19 infections appears to be under control despite an increase during this summer period – the country had 161 new cases on Friday – many doubts remain in terms of the risk of infection, of the dangers for the health or immunity. The Confederation is forced to make bets on the future, particularly in terms of vaccines, knowledge of the virus remaining approximate. Daniel Speiser, immunologist at the Center

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