Epidemiologist

Epidemiologist — page 1
Trucks with sprayers help prevent the spread of disease-carrying insects 2 1 S T C E N T U R Y S K I L L S L I B R A R Y COOL STEM CAREERS EPIDEMIOLOGIST CHAPTER ONE DISEASE HUNTERS Andrew was puzzled as he looked out his kitchen window one night A large vehicle was driving slowly down his block What’s that truck doing he asked his father