4 sentences

1. 今天，大多数医生从未见过麻疹病例。

   jīn​tiān, dà​duō​shù yī​shēng cóng​wèi jiàn guo má​zhěn bìng​lì.

   Today, most doctors have never seen a case of measles.

   Source: CCMatrix

2. 我们大部分人都患过麻疹，但我是一个例外。

   wǒ​men dà​bù​fen rén dōu huàn guo má​zhěn, dàn wǒ shì yī​ge lì​wài.

   Most of us have had measles, but I am an exception.

   Source: UM-Corpus: Spoken

3. 麻疹派对很危险，因为这种疾病可能是致命的。

   má​zhěn pài​duì hěn wēi​xiǎn, yīn​wèi zhè​zhǒng jí​bìng kě​néng shì zhì​mìng de.

   Measles parties are dangerous because the disease can be fatal.

   Source: CCMatrix

4. 然而，直到1963年，研究人员才首次研制出预防麻疹的疫苗。

   rán'ér, zhí​dào1963 nián, yán​jiū​rén​yuán cái shǒu​cì yán​zhì chū yù​fáng má​zhěn de yì​miáo.

   However, it was not until 1963 that researchers first developed a vaccine to prevent measles.

   Source: CCMatrix