An activity you can use in the classroom
Viral diseases can be spread through contact with a
person infected with the disease. Some diseases, such
as influenza, measles, and smallpox, spread rapidly
and are of great concern to public health organizations.
Used in risk analysis, models help predict the spread.
Once scientists analyze the risk, they use models to
develop plans to contain the virus and to make recommendations
for preventive behavior changes. In this activity, you?ll
see how an infectious disease can spread and you?ll
create a plan to contain it.
- small square of paper
- pencil or pen
- cardboard box
- Write your name on one
of the small squares of paper, and place it in the
- Your teacher will select one name from the box.
This person, who will remain a mystery for now, has
- For the first round, tap
two of your classmates at random. Record their names
in the chart on the worksheet.
- Tap two different classmates for round two, and
record their names on the worksheet.
- Now for round three, tap two additional classmates
and record their names on the worksheet.
- When everyone is finished with round three, your
teacher will reveal the name of the ?infected
- Look at your worksheet chart to see if you had direct
contact with this person. If so, you had direct contact
with the infected person. Raise your hand until your
teacher has recorded your name on the board.
- Now check your worksheet chart again to see if you
had contact with any of the people listed on the board.
If so, you had indirect contact with the infected
person. Raise your hand until your teacher has recorded
your name on the board.
- Using the lists on the board, complete the worksheet
questions and activities.