Dont trust those Chinese PDF fanboys claim in PDF, it is the actual percentage :
As of 26 January 2020, a total of 8866 patients including 4021 (45.35%) laboratory confirmed patients were reported from 30 provinces.
Nearly half of the patients were aged 50 years or older (47.7%).
There was a clear gender difference in incidence with 0.31 (male) vs. 0.27 (female) per 100,000 people (P<0.001).
The median incubation period was 4.75 (interquartile range: 3.0-7.2) days.
About 25.5%, 69.9% and 4.5% patients were diagnosed with severe pneumonia, mild pneumonia,
and non-pneumonia, respectively.
https://www.medrxiv.org/content/10....Jrg23MJRSWiT96OlOWvOMXw4sxLaMSGuPw9h739R77_LY