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:

En momentos de crisis, apoyamos a nuestros socios en todo el 🌎. Conoce cómo los estadounidenses sobrevivientes de #COVID19 donan plasma para aumentar las posibilidades de vida de otros: https://t.co/8PrhMu7C5M @CDCgov #EstamosJuntosEnEsto https://t.co/MM6ooNpwWS