7 words in this vocabulary list
verb to undergo a change or alteration in form or nature
noun abbreviation for ribonucleic acid, a nucleic acid present in all living cells
adjective describing a quality of being able to be passed from one person to another, typically referring to a disease or infection
noun a person who has been infected with a disease or virus
noun a person identified as the first to become infected with a disease in an outbreak
noun CMV - cytomegalovirus, a type of herpes virus that can cause a variety of health problems in humans
noun a collection of viruses present in a particular environment or host