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:

#coronavirus&amp;other epidemics break out mostly in developing countries, reflecting the uneven development of the world. Apart from tightening one's own fences, which China understands, now we need no panic, no overreaction, but more solidarity&amp;mutual help to cope with the virus.