Epidemics Warm Up

What does a virus need to replicate itself?

• another virus cell

• a host cell

• food

• energy

How did Lou get the Flu?

• from drinking milk with a from

• from a man sneezing on a burger

• from a pig in a factory

• from a duck in china

what system in your body fights off bacteria and viruses?

• immune system

• nervous system

• blood system

• bone system

Which disease is caused by a virus and not a bacteria?

• scarlet fever

• flu

• pneumonia

• tuberculosis

By itself, a virus is______.

• deadly

• lifeless

• harmful

• fast

Vaccines are made from________.

• dead or weakened viruses

• fungi

• allergens

• strong, active viruses

In order for a virus to enter a cell, it has to trick the____.

• the valcuole

• the DNA

• the nucleus

• cell membrane

Which are symptoms of the flu?

• fever

• chills

• sore throat

• all of the above

Bacteria can be helpful and harmful

• true

• false

Washing your hands is one of the main ways to avoid getting sick.

• true

• false