Grandmaster Chen Xiaowang has created Yifei Gong, a series of movements rooted in Chen Taijiquan’s Old Frame routine, combined with deep breathing, that help to support and strengthen the function of the lungs and immune system during the flu season and the 2019 outbreak of the Coronavirus. Each of the movements should be practiced slowly nine times. Here, is an extract of Master Liu Quanjun from Tai Ji Circle teaching the students in class.
Shifu Liu is teaching Yifei Gong in some of his Foundation classes, here is a shortened version:
Yifei Gong instructional video in full, link:
This is the original full video link with instructions from Grandmaster Chen Xiaowang.