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:

#WHO spokesman Christian Lindmeier said French #COVID19 case in December without link to China "gives us a whole new picture on everything" and urged countries to retest cases of atypical pneumonia in Nov-Dec 2019. https://t.co/GIPsZjPFt2