I'm always moved by his passionate expressions of love.

He and she are in the midst of passionate love.

He is passionately in love with her.

After taking the antipyretic, my fever went down.

She gave medicine to bring down her child's fever.

My friend contracted Q fever.

The amount of heat in this food is high.

My younger sister is missing school because of scarlet fever.

The game is in the midst of white heat.

Iron emits white heat when it gets hot.