RAND Corporation...or even the very highly regarded publication 'Nature'...for well studied and analyzed assessments of Russian and Chinese Disinformation during the COVID-19 pandemic. (see link to RAND paper)
Let's not forget that Trump is truly owned by Putin...Putin's St. Petersburg Hacking Operation (uncovered by the Mueller Report) went into detail exposing how much effort Vlad put into getting Trump elected.
Both Trump and Baron are very comfortable transmitting Disinformation...all day...every day. Doesn't matter where it came from, just so long as it satiates their need to spread hatred toward others.
Link: https://www.rand.org/pubs/commentary/2021/11/reining-in-covid-19-disinformation-from-china-russia.html