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:

I welcome China’s willingness to join #COVAX.

We are all in this together. Multilateralism is key to reaching our #GlobalGoal of access to vaccines everywhere, for everyone who needs them. 

We look forward to working with China and other partners on this.