"When May hears the news about a new disease that is spreading around the world, she and her mom set out to find out as much as they can about it. They discover that the first person to raise the alarm about coronavirus was a Chinese doctor called Li Wenligang. May learns why wearing facemasks is important, and how everyone can help to stop the infection. She also learns what to do if you're feeling sad or lonely - and just how far one rainbow can travel!"-- Back cover.