What is the best way to clean kitchen counters?

Bleach and commercial kitchen cleaning agents are the best sanitizers--provided they're diluted according to product directions. They're the most effective at getting rid of bacteria. Hot water and soap does a good job, too, but may not kill all strains of bacteria. Water may get rid of visible dirt, but not bacteria.

Also, be sure to keep dishcloths and sponges clean because, when wet, these materials harbor bacteria and may promote their growth.