(Reuters) – U.S. Surgeon General Vivek Murthy and his family have tested positive for COVID-19, he said on Friday. “My 5 year old son, my wife Alice, and I have all tested positive for COVID-19. Our son has a runny nose and low grade fever but is otherwise eating, drinking, playing with his sister, and watching his favorite cartoons,” Murthy said on Twitter. Murthy, a leading U.S. government spokesperson on public health, added that he and his wife had mild symptoms. His wife had a headache and fatigue, while he was experiencing muscle aches, chills and a sore throat, he said. He added that hi…