But,they warn that persons with weakened defenses for fighting disease are at greater risk.

VOA: special.2009.10.13

Monday afternoon, Thai soldiers fired shots in the air to warn off protesters throwing stones, boards and water bottles at firefighters.

VOA: standard.2009.04.13

However,both organizations also warn patients to make sure they choose certified doctors and surgeons at health care institutions that have met high standards of accreditation.

VOA: standard.2010.04.08