The movie And the Band Played On illustrates some of the early efforts to understand and control the HIV/AIDS pandemic. After watching the movie, consider the following questions.

HIV (human immunodeficiency virus) is a virus which infects cells of
the human immune system. HIV destroys CD4 T-cells, which are responsible
for regulating and activating important parts of the adaptive immune
system. As a result, a person with untreated HIV will have a greatly
weakened immune system. A functional immune system protects people from
infections by microorganisms and from cancerous cells that arise in the
body. When a person’s immune system reaches the point of near-complete
failure due to HIV, we call the HIV-caused disease AIDS (acquired
immunodeficiency syndrome). People with AIDS often die from infections
or cancers that are extremely rare or relatively innocuous in people who
have functional immune systems.

The movie And the Band Played On illustrates some of the
early efforts to understand and control the HIV/AIDS pandemic. After
watching the movie, consider the following questions.
DISCUSSION
A) What is the problem with relying on complete proof of causation before instituting public health measures?
B) What are the risks in instituting control measures (education,
isolation, quarantine, etc) when cause has not been completely proven?

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