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Answer:
Explanation:
The World Health Organization (WHO) defines health as “complete physical, mental, and social well-being - and not merely the absence of disease or infirmity.” But research suggests that, despite this, Americans may still define health in a narrow way.
A pathogen is defined as an organism causing disease to its host, with the severity of the disease symptoms referred to as virulence. Pathogens are taxonomically widely diverse and comprise viruses and bacteria as well as unicellular and multicellular eukaryotes.
To contract a disease means to catch or acquire an illness through the exposure to a contagious pathogen. However, one may also contract a disease that is non-communicable such as cancer. Contract a disease is a verb phrase, related terms are contracts a disease, contracted a disease and contracting a disease.