Smaller than bacteria, viruses are microscopic organisms that need another living thing - a host - to live and multiply.
This unit teaches the most important vocabulary to discuss viruses as well as the dramatic spread of illnesses to cause epidemics and even pandemics.

As your doctor, I would advise you to register and login to see the activities :)
Basic activities (computer-graded)
Vocabulary Builder Activity
Students should be familiar with the following vocabulary before continuing on to the activities and exercises:
- Centers for Disease Control and Prevention
- Contagion
- Dodged a bullet
- Easily overtake
- Genetic material
- H1N1
- Had succumbed to
- Host
- Inject
- Microscopic
- Miniscule amount of
- Multiply
- Mutate
- New strain
- Organism
- Pandemic
- Progression
- World Health Organization
Reading Comprehension: Viruses, Epidemics, and Pandemics
Smaller than bacteria, viruses are microscopic organisms that need another living thing - a host - to live and multiply. This unit teaches the most important vocabulary to discuss viruses as well as the dramatic spread of illnesses to cause epidemics and even pandemics.
Multiple Choice Activity (Registered users only)
Pick the correct answer from a list.
Pick the correct answer from a list.
Listening Comprehension (Registered users only)
Listen to the word and type it in.
Listen to the word and type it in.
Spelling and Recognition (Registered users only)
Type in the correct answer for each definition.
Type in the correct answer for each definition.
Advanced activities (optionally teacher-graded)
Speaking Practice Activity (Registered users only)
Record yourself speaking five example sentences from the unit.
Record yourself speaking five example sentences from the unit.
Writing Practice Activity (Registered users only)
Pick a question and write about it.
Pick a question and write about it.