,>>22350024. PB

This needs confirmation. He said MDRO abbreviation for multi drug resistant organism.

Although not an expert suspect MDRO Serratia marcescens is very uncommon in a natural environment but related to clinical research.

Very old history of same microbe used in bio weapon research looking at spread

https://www.smithsonianmag.com/smart-news/1950-us-released-bioweapon-san-francisco-180955819/