ORIGINS
INFECTION
VIRUSES
COVID-19
PREVENTION
100
How many hypotheses are currently widely accepted?

three

100

What do viruses require to survive?

a host

100

What was the first virus to be discovered in 1927?

yellow fever virus

100

What group of viruses includes the common cold and have cross-sections that look like a crown?

coronaviruses

100

What word means confined to designated areas to reduce their contact with others.

quarantine

200

In what century did humans first propose the existence of viruses?

19th Century

200

Once inside the body, what do viruses have to get inside of to produce more viruses?

cells

200

What was the first virus to be eradicated by humans?

smallpox virus

200
COVID-19 has an incubation period of about how many weeks?

two

200

What injected substance can prevent contagious diseases from infecting people?

vaccines
300

The capsid which encases the viruses is described as what kind of jacket?

protein

300

What act like chains to bind viruses?

antibodies

300

What virus has caused the most widespread death?

influenza virus

300

What two company's COVID-19 vaccines were first approved for use in the United States?

Pfizer and Moderna

300

What parts of our body should be washed thoroughly and frequently to prevent the spread of COVID-19?

hands

400

What kind of material are found inside the capsid?

genetic material

400

After antibodies bind viruses, what cells "swallow up the invaders"?

white blood cells

400

What virus has the highest fatality rate?

rabies virus

400

What wild animal do scientists believe are the "natural reservoir" and possible source of COVID-19?

bats

400

Cloth, surgical, and N95 are all types of this which help prevent the spread of COVID-19.

masks
500

The hypotheses about the origins of viruses state that viruses cannot do this on their own.

reproduce

500

As the body fights an infection, symptoms may include sore throat or this increase in body temperature.

fever

500

Which virus is named after the name of a river in the north of the Democratic Republic of the Congo?

ebola virus

500

Name two of the first symptoms of COVID-19.

fever
cough
difficulty in breathing
weakness

500

What two actions are taken with those who have had close contact with an person infected with COVID-19 to cut off the virus’s route of transmission?

quarantine and observation

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