RaTG13

Parents

2013 The State Department said that the Wuhan lab obtained RaTG13 in a sample from a cave in Yunnan Province in 2013, after several miners there died of SARS-like illness.
2016 Pompeo also revealed that researchers at the Wuhan lab had been studying a bat coronavirus known as RaTG13 since 'at least 2016'.
2019-Today COVID-19 (2019-nCoV acute respiratory disease) (9/12/2019-Today)
2020 But they also reported that it was 96.2% identical to a coronavirus sequence in their possession called RaTG13, which was previously detected in "Yunnan province."
2021 Vanity Fair - The Lab-Leak Theory: Inside the Fight to Uncover COVID-19's Origins
Searching a publicly available library of genetic sequences, several teams, including a group of DRASTIC researchers, soon realized that RaTG13 appeared identical to RaBtCoV/4991...
The RaTG13 strain was identified by the Wuhan lab as its genetically closest sample to SARS-CoV-2, the virus that causes COVID-19, at 96.2 percent similarity.