Frank, Pay attention to your health. Pnuemonia is nasty at our ages. I went through a serious bout several years ago, similar to yours, I was also hospitalized. It took a while to get my stregnth back up to par, and for several years afterwards, whenever I caught the flu, the pnuemonia would come back. It would take a megadose of antibiotics, and a couple of weeks, to get me over it.
Last year I got the Pnuemonia shot from the VA. This was the first year I did not get a relapse on the pnuemonia, so far this winter no problems either.
Consider it when your health is better. Flu shots too.
Best wishes for a speedy recovery,
John Miller