Coronavirus has been with us for longer than you think. According to documents seen by the South China Morning Post (SCMP), the Chinese government first detected a case of COVID-19 on Nov. 17. Yet it still hasn’t been able to confirm that this case really is the fabled “Patient Zero.” Officially, the coronavirus didn’t exist until Dec. 31. The new leak of government documents therefore pushes the discovery of COVID-19 back by several weeks. In other words, the first person to have had the coronavirus may have caught it even earlier than November. That;s why people who had pneumonia in...