There is one fascinating article I came across published by Nature in 2017 which has all sorts of innuendo given the state of facts on the ground today. https://www.nature.com/news/inside-the-chinese-lab-poised-to...
There is strong tertiary evidence that patient zero was a Wuhan Institute of Virology researcher named Huang YanLing 黃燕玲, this has all been scrubbed from public memory. The wayback archive links still hold up. https://www.youtube.com/watch?v=bpQFCcSI0pU (links are at the bottom of the video description).
A gas cylinder exploded and prompted a fire in a Siberian research facility which houses samples of smallpox, SARS, Ebola and other potentially deadly viruses. Russian officials said there was no threat of contamination.
https://www.dw.com/en/russia-says-no-danger-after-blast-in-s...
Turn on subtitles, then select automatic translation -> English in options.
"The first practical use of the test system for the detection of antibodies to COVID-19, developed by the Novosibirsk State Research Center of Virology and Biotechnology" Vector ", was held among the employees of the FSBI" National Medical and Surgical Center. N.I. Pirogov" Ministry of Health of Russia. Testing was carried out in 204 employees of the center, who had no symptoms of acute respiratory viral infections in the previous two months. According to the results of testing, antibodies to coronavirus were detected in 30 employees of the Center working in the" red "zone and at the entrance to it", - the message says.
https://news.rambler.ru/community/44036116-immunitet-k-koron...