This tiny agent needs a host cell to reproduce and isn’t considered fully alive
Virus
This bacterial infection often causes sore throat and white patches on the tonsils
Strep throat (Streptococcus infection)
This viral infection led to a global pandemic beginning in 2019
COVID-19 (also SARS-CoV-2--severe acute respiratory syndrome coronavirus 2)
A knitted or crocheted garment designed to cover the upper body, primarily worn for warmth
Sweater
These single-celled organisms can live independently and reproduce on their own
Bacteria
This bacterial infection can result from eating contaminated food and causes diarrhea
Food poisoning (will also accept Salmonella, Campylobacter, E coli)
This seasonal viral infection affects the lungs and causes fever, chills, and body aches. A vaccine exists for this virus.
Influenza (Flu)

A flexible band or strap, typically made of leather, fabric, or plastic, worn around the waist to secure clothing, support tools, or act as a fashion accessory.
Belt
An organism that lives on or in a host organism of another species, deriving nutrients at the host's expense, usually causing harm
Parasite
Bacterial infection which leads to frequent, painful urinations with a foul smell
Bladder infection (urinary tract infection)--E coli.
Chronic untreated infection with this virus weakens the immune system over time
HIV (Human Immunodeficiency Virus)
A tool with prongs for eating, or an agricultural implement for lifting, but it commonly refers to a division into branches
Fork
Place in order of largest to smallest in size
Virus
Prion
Parasite
Bacterium
Parasite --> Bacterium --> Virus --> Prion
Bacterial infection that inflames the air sacs (alveoli) in one or both lungs, causing them to fill with fluid or pus. This leads to symptoms like cough, fever, chills, and difficulty breathing.
Pneumonia

This viral infection causes hemorrhagic fever and severe internal bleeding. It occurs along the west coast of Africa and has a high death rate
Ebola virus

A piece of furniture with a flat top used for working, eating, or placing items on. Also an organized arrangement of data in rows and columns for easy reference
Table
This basic hygiene practice helps prevent the spread of pathogens
Handwashing!
Infection by the bacterial genus Clostridium, introduced into the body through a puncture in the skin, enables a toxin to cause muscle rigidity (lockjaw), difficulty swallowing, and difficulty breathing. Prevented through vaccination.
Tetanus
Declared eradicated in 1980, it is the only human disease for which routine vaccination of the American public stopped in 1972
Smallpox

A sports implement consisting of a handle and an oval frame with a tightly interlaced network of strings used to strike a ball or birdie in various games
Racquet