vaccinia

"Despite his continued professions of innocence, the court eventually sentenced him to five years."

"Why do my relatives always talk about sex?"

"The metal railing contracted slightly in the cold winter air. "

"My son received the measles vaccine to protect him from getting the illness. "

"Scientists study plants to understand how they grow. "

"The Europeans brought new diseases such as smallpox, measles, dysentery, influenza, syphilis and leprosy."

"The family took their sick cat to the veterinarian for a check-up. "

"All he had to show for four years of attendance at college was a framed piece of paper."

"The library offered an extension on the due date for the overdue books. "

"The construction crew's working on the new school building is going smoothly. "

"The farmer developed cowpox after tending to his sick cows, but thankfully, this meant he was now immune to smallpox. "

"The infection spread quickly through the classroom after one student got sick. "