Well, Trump did some serious damage several days ago. A monoclonal antibody (mab) treatment from Eli Lilly received Emergency Use Authorization(EUA), with a contract for the purchase of 300,000 doses. This seriously damages the Dems' Trump did nothing narrative, especially since the company that developed the mab had been working with DARPA since February, 2018, and decided in January, 2020 to make Covid-19 one of its targets in their work with DARPA. And worse serious damage is probably days away in the form of Regeneron's mab treatment also receiving EUA (Regeneron's mab treatment was what Trump received).
More damage is coming in the form of vaccines, as Pfizer, Moderna, and possibly AstraZeneca are just a few weeks away from qualifying for EUA, and these all started ramping up volume production weeks ago.
Trump definitely will be doing severe damage between now and the inauguration of whoever the winner is ... severe damage to Bidens' and the MSM's LIES!