To protect someone from a disease with a medicine.

before or by now or time in question.

practice or science of collecting and analysing numerical data in large quantities. Mathematics used to interpret numerical data.

To bring a previous image or idea to your mind.

treatment with vaccine to produce immunity against disease. The acts of injecting people to fight diseases.

That is likely to happen or be true.

father or mother. Person's, animal's mother and father. be parent to.

Collection of facts and details about something.

Being harmful, unwanted or unhelpful. no. Image on camera film used to make a photo. refuse to accept.

Always the same; boring through lack of variety. sequence of actions regularly followed. organize according to routine.

Of or relating to physical health or medicine. A health check or test.

Causing anxiety or worry. To cause someone anxiety or sadness.

contact with facts or events. Things a person has done or that happened to them. To gain knowledge by doing things.

for reason that.

of immediate relevance, interest, or importance owing to its relation to current events. postage stamp forming part of set or collection with designs connected with same subject.