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:

MFA spox #Zakharova: Today’s global #coronavirus challenge can only be overcome through intl community’s combined efforts. Russia has made strides in developing a safe and reliable #Covid19 #vaccine and is willing to start broad cooperation on this with foreign stakeholders. https://t.co/ps5Y3DEUfw