This! Generally 2 base viruses for flu. Influenza and CoronaVirus.  Wuhan is : Novel Coronavirus Novel for; wow this thing looks weird and behaves weird. Isn't that 'Novel' What is weird? Flu R0 value is R 1.28. Meaning 1 person will on average infect 1.28 people on the next jump of infection. nCov is R4. Meaning is will spread faster then MERS and SARS.  The first doctor arrested for reporting this virus claimed it was SARS. So, the Chinese had him arrested. Now he is in the ICU due to infection.  Early report about nCov from China. https://www.medrxiv.org/content/10.1101/2020.01.27.20018952v1.full.pdf Link that got Zero Hedge in trouble: https://www.biorxiv.org/content/10.1101/2020.01.30.927871v1