Most forms - yes.: There are some bacteria and viruses that specialize in causing pneumonia. These are definitely contagious. For older folks or folks that have immune problems/chronic diseases, these patients can get protection with a 'pneumonia shot'. Then there are 'flu' shots that I'm sure you've heard of. Some types of pneumonia don't spread like 'choking on your vomit' - we call that aspiration pneumonia.
Answered 1/7/2020
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