The history of the vaccine

Complete the sentence.

Many of us have _________ to serious illnesses simply by having an injection.

• resistant

• immunity

• sensitivity

"Using a technique called variolation, where _________ skin from a smallpox patient was inserted up the nose of a healthy person, doctors realised they could prevent smallpox."

• infected

• healthy

• injured

"Smallpox was still a d______ disease in Europe, killing 25% of those who caught it."

• demolishing

• devastating

"He named the discovery ‘vaccine’, from the Latin vacca, meaning ______."

• fox

• cow

• chicken

Tick the synonyms of 'inject'.

• intake

• vaccinate

• inoculate

"However, this opposition did not prevent others ______developing Jenner’s discovery."

• to

• of

• from

"Incredibly, by immunising millions, in 1980 the deadly disease was officially era....._."

Give the complete word.

Vaccines rely upon something called ‘______ immunity’.