The train will arrive soon.

Tularemia is highly infectious and can potentially infect humans as well.

How does this pathogen infect humans?

My sick friend is fighting his illness with cheerfulness every day.

He is suffering from alopecia.

My sister has celiac disease, so she can't eat foods that contain gluten.

He is showing symptoms of catatonia.

His child is suffering from rickets.

He was diagnosed with mental illness.

My daughter caught fifth disease last week.