There are quite a number of asymptomatically infected in the population, and they may discharge hepatitis A virus at certain times and under certain conditions.
无症状感染者在人群中为数不少，在一定时期和条件下也可排出甲肝病毒，但此时带毒者常活动自如，不易管理，因而作为传染源有重要意义。
| 单词 | hepatitis A |
| 例句 |
英语例句库
There are quite a number of asymptomatically infected in the population, and they may discharge hepatitis A virus at certain times and under certain conditions. 无症状感染者在人群中为数不少，在一定时期和条件下也可排出甲肝病毒，但此时带毒者常活动自如，不易管理，因而作为传染源有重要意义。 声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
原声例句
科普小杂文 Rabies, tetanus, hepatitis A, influenza, and lots of other vaccines have all been made using completely inactivated viruses. 狂犬病、破伤风、甲型肝炎、流感等许多种疫苗都是使用完全灭活病毒生产的。 世界节假日 Previous campaigns have included " Get vaccinated! Prevent hepatitis A and B" and treating people with all bleeding disorders. 去年的活动包括“注射疫苗，远离A, B型肝炎”，为所有出血性疾病患者进行治疗。 国家地理选编 Handwashing with soap is a first defense against both diseases, as it is against cholera, dysentery, hepatitis A, and typhoid. 用肥皂洗手是抵御这两种疾病的主要方法，同时也能抵抗霍乱、痢疾、A型肝炎以及伤寒。 Life Noggin Dirty water can lead to hepatitis A, cholera and typhoid fever. 脏水会导致甲型肝炎、霍乱和伤寒。 VOA Special 2022年6月合集 The usual causes of liver inflammation in otherwise healthy children come from viruses known as hepatitis A, B, C, D and E. 其他健康儿童肝脏发炎的常见原因是甲型、乙型、丙型、丁型和戊型肝炎病毒。 科学60秒-科学美国人 2021年10月合集 He also pointed out other vaccines, such as the common polio vaccine used now, and the hepatitis A vaccine, show that a booster four to six months after the original shot provides a powerful and long-lasting increase in immunity. 他还指出，其他疫苗，如现在使用的普通脊髓灰质炎疫苗和甲型肝炎疫苗，表明在最初注射后四到六个月进行加强免疫可提供强大而持久的免疫力增强。 |
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