According to the data collected during the initial wave of the pandemic, the symptoms of COVID-19 appeared on average 5.6 days after contact with a known case
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How to protect our children against COVID-19 - Ειδήσεις - νέα tovima.gr - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from tovima.gr Daily Mail and Mail on Sunday newspapers.