Question: Using the epidemiological triangle on page 90 (Schoon, Porta, & Schaffer, 2019) identify the group or population, causative factors, and environment of a pertussis epidemic. Need Assignment Help? Question options: The children are the population, home daycare and schools are the causative factors. The environment is the entire community. The environmental factors are the home day care and school setting, pertussis vaccine is the causative factor, and the population is adults who have not been vaccinated against pertussis. The children are the population, environmental factors include home daycare and school, and causative factors is winter season. Pertussis is the causative factor, children are the population, and the environmental factors are the home day care and school setting.