The Yn's recount their harrowing escape from post-war Vietnam, surviving pirate attacks and a dangerous sea journey before resettling in the U.S. in 1979.
A former animal control officer at St. Louis County Animal Care and Control offers an inside look at what might have helped prevent a parvovirus outbreak.
"It was terrifying but everyone really banded together to get the people who could get off the bus and take care of those who needed more help," the passenger said.