The disease usually infects younger people, as they are more prone to diseases.

They discover the disease infects only those who have reached puberty.

The disease has infected about 90% of Denmark's ash trees.

The disease can spread rapidly and often infects all the leaves of the plant.

The three new cases were in southern provinces, where the disease has infected thousands of birds.

If the disease infects only part of the stem, growth above the canker will continue.

The disease has claimed the lives of three young people and has infected at least 12 in this small state over the last two months.

Cowardice is like a disease and these people will infect you any way they can.

The disease has infected at least two people in the Middle East and killed one.

If a human disease infected at the same rate, we would declare a medical state of emergency.