"The high transmissibility rate of the Omicron variant, the cold weather and the waning immunity from vaccination are all contributing to the rising number of infections in many regions."

"Our priority focus (in managing COVID-19 in China) has been on the large cities. It is time to focus on rural areas."

"The peak of China's COVID wave is expected to last two to three months."

"The coronavirus in SARS or the coronavirus in MERS are in the same family of virus with the new (COVID-19) coronavirus."

"If local (COVID-19) transmission is indeed established, that could be very dangerous, and Hong Kong can become another Wuhan."

"The local (COVID-19) transmission chain (in Hong Kong) has begun (as of 6 February 2020), and if we do nothing to control it, Hong Kong will become another mainland city that has suffered lots of cases."

"There are two keys to tackling the (COVID-19) epidemic: early detection and early isolation. They are the most primitive and most effective methods."

"We have developed an effective treatment plan (to patients contracting COVID-19) based on our experience of dealing with SARS, by employing various life support methods to (achieve) a higher rate of recovery."

"We don't know why it (COVID-19) is so contagious, so that's a big problem."

"I am so proud of him (Li Wenliang)."

"I hope this (COVID-19) outbreak or this event may be over in something like April (2020)."

"Closing the (Hong Kong's) border entirely (from Mainland China) is the only effective way to prevent the spread of the (COVID-19) virus."