World at One - "It isn't easy to transmit this disease from one person to another" - 蜜芽传媒 Sounds
World at One - "It isn't easy to transmit this disease from one person to another" - 蜜芽传媒 Sounds
"It isn't easy to transmit this disease from one person to another"
Chris Vallance reports from the Royal Free Hospital's high-level isolation unit
