Reaction due to extreme sensitivity to certain foods, chemicals, or other normally harmless substances.
A disease that breaks down the body’s immune system.
Short, rod-shaped bacteria. They are the most common bacteria and produce diseases such as tetanus (lockjaw), typhoid fever, tuberculosis, and diphtheria.
One-celled microorganisms that have both plant and animal characteristics. Some are harmful; some are harmless.
Capable of destroying bacteria.
Bacteria capable of producing a protective coating that allows them to withstand very harsh environments, and shed the coating when conditions become more favorable.
Immunity that the body develops after overcoming a disease, through inoculation (such as flu vaccinations) or through exposure to natural allergens such as pollen, cat dander, and ragweed.
The division of bacteria cells into two new cells called daughter cells.
Disease-causing microorganisms carried in the body by blood or body fluids, such as hepatitis and HIV.
Chemical germicide formulated for use on skin; registered and regulated by the Food and Drug Administration
Colonies of bacteria that adhere together and adhere to environmental surfaces.
Showing no symptoms or signs of infection.
allergy
acquired immune deficiency syndrome (AIDS)
acquired immunity
asymptomatic
bacilli
bloodborne pathogens
antiseptics
biofilms
binary fission
bacteria
bactericidal
bacterial spores
