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:

💬 Kirill Dmitriev, Director del Fondo Ruso de Inversión Directa:

La publicación en @TheLancet, una de las revistas médicas más prestigiosas del mundo, confirma la alta seguridad y eficacia de la #vacuna rusa #SputnikV

#TheLancet

📎 https://t.co/8AkxCdR4DU https://t.co/QoKLgRvYIz