cowpox

IPA/ˈkaʊpɒks/
IPA/ˈkaʊpɑːks/

cowpox — noun

1. Cowpox is a virus that cows catch and that causes mild sores on their skin. The

1.名詞C1
釋義

Cowpox is a virus that cows catch and that causes mild sores on their skin. The infection can spread to humans who work with sick animals. Historically, material from cowpox sores was used to make the first smallpox vaccines.

例句

Dr. Chen studied how cowpox spread from cows to the farm workers who milked them.

The dairy farmer noticed blisters on his hands after handling cows with cowpox.

文法句型

the + cowpox virus

用法筆記

The word 'vaccination' comes from 'vacca', Latin for 'cow', because the first vaccines used material from cowpox sores. In modern contexts, cowpox is rare and the term appears mostly in historical discussions of smallpox eradication.

常見錯誤

❌I had cowpox when I was a child, just like chickenpox.
✅I had chickenpox when I was a child; cowpox is a disease of cattle, not a common human childhood illness.
💡Cowpox is not a common human disease and is very different from chickenpox.
❌The doctor gave me a cowpox shot.
✅The doctor gave me a smallpox vaccine.
💡The vaccine is no longer made from cowpox material; modern vaccines use a related virus called vaccinia.