Measles were believed to be first transferred to humans from:​

A) ​pigs
B) ​sheep
C) ​cattle
D) ​ducks

Measles

A highly contagious viral infection known for its distinctive red rash and fever, primarily affecting children and sometimes leading to serious complications.

Pigs

Domesticated animals of the genus Sus, often farmed for their meat, known as pork, and have a significant role in various cultural contexts.

Sheep

Domesticated ruminant animals, bred for their wool, meat, and milk, known scientifically as Ovis aries.