This experiment conducted by Japanese TV channel NHK shows how quickly Coronavirus can spread in restaurants and other communal facilities within minutes.    In the viral video below, one of the ten participants that took part in the terrifying experiment was ‘infected’ with fluorescent paint, meant to represent Covid-19. As they began to enjoy a buffet for 30 minutes, a ‘blue light was then turned on, revealing how far the ‘virus’ had spread among themselves.      The ‘virus’ spread …