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Instructions:
Select 1 to 12 words from the list of Tier One
Tier One:
Vocabulary words commonly used in speech, reading, and writing; usually appropriate for early emergent readers (grades K-1).
, Tier Two
Tier Two:
Vocabulary words generally encountered in elementary school curriculum (grades 2-5).
, and Tier Three
Tier Three:
Vocabulary words generally encountered in middle and/or senior high school curriculum (grades 6+).
 words. To add words from other categories, go back to Step 1 and select a different category and add additional words. Once you have created your word list, you can generate a customized vocabulary lesson, vocabulary word work activities, and/or a vocabulary assessment by proceeding to Step 3.

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Health > Influenza
Tier One
Tier One:
Vocabulary words commonly used in speech, reading, and writing; usually appropriate for early emergent readers (grades K-1).
Tier Two
Tier Two:
Vocabulary words generally encountered in elementary school curriculum (grades 2-5).
Tier Three
Tier Three:
Vocabulary words generally encountered in middle and/or senior high school curriculum (grades 6+).
ache
noun : a dull pain that lasts for a while

fever
noun : a body temperature that is too high, caused by sickness

germs
noun : tiny living things that can cause disease or illness

  cold
noun : a common viral infection that can cause coughing, sneezing, and a runny nose

congestion
noun : being blocked up with or too full of something, as in an organ or body part having too much fluid

contagious
adjective : spread through contact with people or other living things

contract
verb : to catch an illness or disease

cough
noun : the sudden forcing of air from the lungs to clear the breathing passages

diagnosis
noun : the identification of an illness or injury

disease
noun : a condition, other than one caused by injury, that keeps a part of the body from working normally; an illness

drug
noun : a substance given as medicine

epidemic
noun : the rapid spread of a disease within a community

gene
noun : a basic unit of heredity that transfers a trait from one generation to the next

immune system
noun : a collection of cells, organs, and processes in the body of a human or other animal that protect against disease-causing germs

immunization
noun : a substance, usually in the form of a shot, that protects people from a disease

infection
noun : the invasion of the body by bacteria, viruses, fungi, or other organisms, which sometimes causes disease

infectious
adjective : referring to diseases that can spread from one organism to another

influenza
noun : the flu; an infection of the respiratory tract, caused by a virus, that can spread quickly

organism
noun : a living thing

pandemic
noun : the rapid, worldwide spread of a disease

prevention
noun : an action that stops something from happening

respiratory system
noun : the body system that controls breathing by inhaling oxygen and exhaling carbon dioxide

saliva
noun : a liquid in the mouth that mixes with food to help begin digestion; spit

strain
noun : a group of viral organisms of the same species

symptom
noun : a specific sign of illness or injury

transmit
verb : to cause something to be passed from one person, place, or thing to another

vaccine
noun : a medicine made of weak or dead microbes that teaches the body to fight stronger microbes of the same type

virus
noun : a microscopic organism that infects the body; a disease caused by a virus

  antibody
noun : a chemical produced by the body that attacks invading germs

antiviral
adjective : stopping the growth of a virus

avian
adjective : of or related to birds

communicable
adjective : able to be spread from one person to another (as in a disease)

microbe
noun : a microscopic organism, especially one that transmits disease

microorganism
noun : a microscopic organism, such as a virus or single bacterial cell

mucous membrane
noun : a type of body tissue that produces mucus

mutate
verb : to permanently change into a different form

mutation
noun : a genetic variation a living thing is born with that may alter how it grows and what it can do

pathogen
noun : a unicellular organism that causes disease

swine
noun : of or related to pigs; a pig