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:

Manteniendo la vanguardia en seguridad sanitaria mundial, Estados Unidos lucha contra las nuevas amenazas a la salud en todo el mundo y protege a las comunidades vulnerables de las enfermedades infecciosas. ⬇️ https://t.co/wT704GT5LF