Percy Leed 
Typhoid Fever 
A Deadly Infection

Each year typhoid fever affects up to 20 million people. Readers will uncover how scientists are fighting back with clean water and vaccination. Dive deep into the Deadly Diseases series part of the Up Dog Books collection. Discover what causes these illnesses, the symptoms behind them, and what is being done to stop the spread. At the end of the book, read two patients’ symptoms and decide which one has the sickness.