“However, conjunctivitis caused by the common cold is very infectious and can spread rapidly between people.”

“A few of them are viral pathogens, bacterial and fungal agents, and infectious toxins that cause a variety of fatal diseases.”

“He devoured ideas with an insatiable curiosity and then pursued them with unbounded energy and infectious enthusiasm.”

“The infective bacteria rapidly spread throughout the population, causing a widespread outbreak of illness.”

“There will be an obvious visible white mycelial mat, and it's also possible that mushrooms will grow at the base of an infected tree.”

“She bounced before me in an absurd fashion, scratching at her slinky, bare stomach just below the hem of her belly shirt, where an infected and pus-filled red blotch was trying to heal.”

“The bulk of the evidence strongly suggests that the infected water was pumped into the drinking-water tank.”