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:

Combating coronavirus is our utmost priority. 

Tracing apps help break down the chain of infections. I encourage people to use them. 

Today we launch a gateway to link tracing apps. 3 countries joined today, more soon, so that you can be warned of risks, wherever you are. https://t.co/W70ZiA99fP