Shopping cart handles are the most bacteria-infested items [1], with 1,100 colony forming units per 1.55 sq inches, among some commonly used objects while doorknobs on public bathrooms are not as bad as might be expected.
Shopping cart handles are the most bacteria-infested items [1], with 1,100 colony forming units per 1.55 sq inches, among some commonly used objects while doorknobs on public bathrooms are not as bad as might be expected.