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| Question | Answer |
| Outbreak | A sudden start of a disease, or rapid worsening of a disease Sentence: Recently, there has been an outbreak of measles in the US. |
| Epidemic | a widespread occurrence of an infectious disease in a community at a particular time Sentence: The US is experiencing an epidemic of the flu, thousands of people are ill. |
| Contagoious | a disease spread from one person or organism to another by direct or indirect contact |
| Chronic | an illness persisting for a long time or constantly recurring Sentence: Tom has been coughing for months; he has chronic bronchitis. |
| Acute | a disease that it is of short duration Sentence: The common cold is an acute illness. |
| Vaccination | A medication meant to produce immunity against a disease |
| Communicable | able to be transmitted/passed from one sufferer to another Example: A cold or the flu is communicable. |
| Non-communicable | a disease that is not transmissible directly from one person to another. Example: Diabetes is a non-communicable disease. |
| Allergen | a normally benign (harmless) substance that causes an abnormal reaction to people who are allergic. Example: In the spring, pollens are a common allergen. |
| Congenital Disorder | a medical condition that is present at or before birth Example: The baby was born with a congenital heart condition that was not discovered until birth. |
| Environmental Toxin | harmful chemicals found in air, water, food, or ground Example: I discovered my walls were painted with lead paint which is an environmental toxin |
| Disease Vector | organisms s that can carry pathogens from person to person and place to place Examples: Mosquitos, ticks, rats |
| Virus | a microscopic infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals. Example: The common cold is caused by a virus. |
| Pathogen | any disease producing agent Example: virus, bacteria |
| Germ | a microorganism which causes disease |
| Carcinogen | a substance capable of causing cancer in living tissue |
| Mold | a growth of fungi forming on vegetable or animal matter |
| Asthma | A condition in which a person's airways become inflamed, narrow and swell, and produce extra mucus, which makes it difficult to breathe; can be caused by allergies or poor air quality |
| Influenza | a highly contagious viral infection often occurring in epidemics; flu |
| Tuberculosis | an infectious bacterial disease of the lungs |
| Fever | a temporary increase in average body temperature of 98.6°F |
| Cancer | abnormal cells divide uncontrollably and destroy body tissue |
| Rash | an area of irritated or swollen skin |
| Average | ordinary, normal, typical |
| Ratio | An expression of the relative size of two numbers by showing one divided by the other. Example: 2:1 |
| Fraction | a part of the whole Example 1/3 |
| Comparison | using one thing/item/idea to show similarity (or dissimilarity ) to something else |
| Estimate | an approximate judgment or calculation, as of the value, amount, time, size, or weight of something |
| Likelihood | a probability or chance of something: |
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