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:

We celebrate the eradication of wild poliovirus in Africa this week.
 
It sends a simple but important message: vaccines work.
 
The EU is and will remain a strong supporter of publicly financed universal health coverage.
 
Read more about vaccines 👇
https://t.co/Y2wXW9NEeJ