The world's smallest baby left hospital after 13 months. Yu Xuan weighed 212 grams was 24 centimeters when she was born. She was born prematurely at around 25 weeks. Doctors gave her a "limited chance of survival". They did everything to help her live. They said: "We are happy…and proud of the care provided by our team. Our best wishes to little Yu Xuan as she continues to grow, thrive and beat the odds every day."

Yu Xuan's mother said: "We are very grateful to the doctors and nurses…for the attentive and wonderful medical care and treatment." Yu Xuan still has problems. She has a lung disease and other medical problems. She has a special machine at home to help her breathe. Her doctors said she would get better. They said she has inspired people because she never gave up. They called her "an extraordinary 'Covid-19' baby" and "a ray of hope".