The infecters spread the disease to the entire population.

The infectibilities of different strains of the virus vary.

The patient was diagnosed with an infectional disease.

The infectants were quarantined to prevent the spread of the disease.

There have been several spurious infections reported in the hospital.

Lytic infections can be caused by various viruses.

Secondary infections can occur after the initial infection has weakened the immune system.

Yeast infections can cause discomfort and itching.

Bladder infections can cause discomfort and frequent urination.

Opportunistic infections can occur in individuals with weakened immune systems.