Most Common Cause of a Stomach Bug
This page is the CodyCross answer for the clue below from Train Travel, Group 713, Puzzle 4 (Infrastructure).
Question is: Most Common Cause of a Stomach Bug
and the answer is: NOROVIRUS
Word Meaning:
NOROVIRUS — (virology) Norovirus, the genus of Norwalk virus, which causes gastric distress in humans.
Definitions from Wiktionary.