You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

In an interview with Dr. David Nabarro, a special envoy of  @WHO Director-General on #COVID-19 and a medical doctor with a long history of battling global viruses, CBS asked: China still hasn't shared the live virus samples, correct? 
@RidgeOnSunday @LiamFox @CBSNews