Potential risk factors could be:
- Formula feeding instead of being exposed to microbes in breast milk
- Infant being born through c-section and not exposed to vaginal microbes in delivery
- A kid that never plays outside (in dirt)
- Parents that don’t get there kids vaccinated to be exposed to viruses that like virulence factors
- Antibiotic therapy not being used in the right way
- Over use of antimicrobial household products like (detergents, soaps, kitchen cleaners etc.)