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:

🔻
Don’t try to downplay President Putin’s constructive proposal to hold an online 🔝level conference shortly for countries interested in cooperation in the development of #Covid19 vaccines.
Save American lives. Fight Covid19 - not the Russian Vaccines:
🔻
https://t.co/hUpJXxceQV https://t.co/orqOMIrOs6 https://t.co/YhduqGR0qa