hypersensitivity

"The teacher's notes were helpful for understanding the math concepts. "

"The divers encountered a huge school of mackerel."

"My son is allergic to peanuts, so we always check the ingredients of snacks. "

"My teacher asked for a response to the question, so I wrote an answer on the board. "

"The flu virus contains an antigen that triggers your body to produce antibodies and fight off the infection. "

"The security guard heightened the fence around the school playground to keep children safe. "

"The immune child didn't get sick with the flu, even though everyone else in the class did. "

"He was a slow and careful driver."

"My sister has a severe allergy to peanuts, so we always check food labels carefully at restaurants. "

"Your accusations offend me deeply."

"The politician received a lot of public criticism for his controversial stance on the issue."

"The complicated instructions on the new software difficult me from completing the project on time. "