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:

El vector, explican el sitio web de Sputnik V, “es un virus que carece del gen para su reproducción” y se utiliza para transportar material genético del virus contra el que se está vacunando --en este caso, del SARS-CoV-2- a una célula. “El vector no es peligroso para el cuerpo”