Coronavirus is an elusive enigma
How did coronavirus become so widespread? By the time Dr. Zhang Jixian first reported the cases, it is thought that 180 patients were already infected.
The problem with this is that SARS-CoV-2 and the disease it causes, COVID-19, presents in many different ways and spreads in patients with no symptoms. By the time we were even able to identify that a novel virus was infecting humans, it was already too late. …