The wound got infected.

The town was infected by the virus and is now quarantined.

The dog is suffering from ear infections.

Although there was once believed to be a causative relationship between syphilis and artistic genius, I would hope that the vast majority of modern artists and writers are reasonable enough to avoid becoming infected just on the off chance that neurosyphilis dementia might improve the quality of their work.

U.S. President Donald Trump’s decision to withhold funding to the World Health Organization is drawing criticism from world leaders, as coronavirus infections exceed 2 million worldwide.

He noted that not all cases of infection will be reported, because only mild symptoms are suffered.

Poliomyelitis, commonly shortened to polio, is an infectious disease which is highly contagious.

That cut looks infected.

I've got an ear infection.

Dr. Anthony Fauci is the top infectious disease expert in the U.S.