5 个月
Indy 100 on MSNMore than 100 schools attempt to break record for largest hand-washing lessonMore than 100 schools across the UK have attempted to break a world record for the largest hand hygiene lesson. A ...
Ignaz Semmelweis was the first doctor to discover the importance for medical professionals of hand washing. In the 19th century, it was common for women to die from an illness contracted during ...
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