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:

A new test from Abbott Laboratories can determine if a patient has been previously infected with Coronavirus and potentially developed immunity. https://t.co/D6cMDdy5Wy