The spread of measles in Pennsylvania and Ohio is largely affecting Amish communities where vaccinations levels are low.
中文标题： 阿米什乡村麻疹疫情迫使一些人重新考虑疫苗
宾夕法尼亚州和俄亥俄州的麻疹传播主要影响疫苗接种率低的阿米什社区。