The speaker experienced a significant loss of strength, going from using 60 pounds for 10 reps to struggling with 35 pounds for 10 reps, three weeks after contracting the virus.
"just three weeks ago on this exact same exercise he was using 60 pounds for set to 10 and that was 35 pounds for a set to 10 and he struggled so that that kind of gives you an idea of how much that virus can wipe out your energy and your strength"