El Salvador validated by WHO as having eliminated trachoma as a public health problem
The World Health Organization (WHO) has validated El Salvador as having eliminated trachoma as a public health problem. Trachoma is the world's leading infectious cause of blindness.
Это отрывок статьи. Полную версию читайте на сайте источника по ссылке ниже.
Источник: ВОЗ