{October|The month of October|As October} {arrived|came|had arrived|set in}, {spreading|casting|bringing|sending} a {damp|moist|wet|chilly} {chill|coldness} {over|across|throughout} the grounds and {into|throughout|inside} the castle{| walls}. {Madam Pomfrey, the nurse,|The nurse, Madam Pomfrey,|Madam Pomfrey, who served as the nurse,|The school's nurse, Madam Pomfrey,} {was kept busy|was kept occupied|remained busy|found herself busy|became occupied} by {a sudden|an abrupt|an unexpected|a rapid} {spate|outbreak|surge|wave|increase} of colds {among|amongst|within} {the staff and students|the students and staff|both students and staff|students and staff alike|the castle's inhabitants}.
{October|The month of October|As October|When October} {arrived|came|had arrived|set in|began}, {spreading|casting|bringing|sending|carrying} a {damp|moist|wet|chilly|frigid} {chill|coldness|cold} {over|across|throughout|all over} the grounds and {into|throughout|inside|deep into} the castle{| walls|'s corridors}. {Madam Pomfrey, the nurse,|The nurse, Madam Pomfrey,|Madam Pomfrey, who served as the nurse,|The school's nurse, Madam Pomfrey,|Madam Pomfrey, the castle's medical caretaker,} {was kept busy|was kept occupied|remained busy|found herself busy|became occupied|had her hands full} {by|with|due to|because of} {a sudden|an abrupt|an unexpected|a rapid|a swift} {spate|outbreak|surge|wave|increase|rise} of colds {among|amongst|within|affecting} {the staff and students|the students and staff|both students and staff|students and staff alike|the castle's inhabitants|those residing in the castle}.