Beijing tightens grip over coronavirus research, amid US-China row on virus origin
CNN, April 13, 2020
China clamping down on coronavirus research, deleted pages suggest
The Guardian, April 11, 2020
中媒: 当局曾告诫医院“注意政治影响” (Chinese media: Authorities warned hospital on "political impact" of information on coronavirus)
Deutsche Welle, April 13, 2020
