cowpox

"The liftoff will occur in exactly twelve seconds."

""The farmer, tending his customary rent of grain, hoped the lord would accept it despite the poor harvest." "

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

"The geologist showed us a piece of basalt, explaining that it was an eruptive formed from rapidly cooled lava. "

"The rain stopped, and thankfully, we were able to have our picnic in the park. "

"The garden club meeting was principally about planning the annual flower show. "

"My baking skills have developed significantly since I started taking the online course. "

"a touching story"

"The athlete suffered several lesions on his arm during the intense training session. "

"The tomato plants had some kind of disease that left their leaves splotchy and fruit withered."

"After getting the chickenpox vaccine, the child developed immunity to the disease. "

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