Maybe he had surgery on his thyroid? Would that effect his voice et al?
Some inconsistencies here too:
Dr. Anthony Fauci opens up about his vocal cord surgery: 'My voice was shot'
"TODAY's Sheinelle Jones took six weeks off from work to recover after her operation, but Dr. Fauci didn't give himself the same amount of time off."
at age 80, many things can be going on....