Nuala McGovern talks to Kerry. She has muscular dystrophy and has been shielding, or isolating, at home in England since March. We also hear from Dr Joseph Varon, Chief of Critical Care at the United Memorial Medical Center in Houston, Texas. He has been working without a break for 258 days. A photo of him cradling an elderly man on a Covid ward went viral this week. He explains the picture and shares his experiences of working non-stop due to the virus. Joe Biden has this week called on Americans to wear masks for his first 100 days as US president. Nuala also talks to two campaigners in the US who are sceptical of face coverings and other coronavirus restrictions.