President Donald Trump tours a lab in North Carolina in July where components for a potential vaccine are made. | Jim Watson/AFP via Getty Images

After he leaves office, he can help convince his supporters to get vaccinated for Covid-19.

On Monday, Moderna announced promising preliminary data showing its Covid-19 vaccine is 94.5 percent effective at preventing the disease. Unsurprisingly, President Donald Trump was more than happy to take credit for the achievement.

Another Vaccine just announced. This time by Moderna, 95% effective. For those great “historians”, please remember that these great discoveries, which will end the China Plague, all took place on my watch!

— Donald J. Trump (@realDonaldTrump) November 16, 2020

Trump made a similar demand for credit last week when the pharmaceutical company Pfizer announced results from its Covid-19 vaccine clinical trial with BioNTech, claiming in a