Based on the information given, a pandemic simply means the spread of an infectious disease.
It should be noted that the difference between an epidemic and a pandemic is the degree if its spread.
HIV is simply a virus that attacks the immune system. It can be gotten through unprotected intercourse, sharing sharp objects, etc. It should be noted that in the long run, HIV leads to AIDS.
It should be noted that HIV is most prevalent in Sub Saharan Africa. There are presently no cure for HIV but there are medications to control the complications.
The average life expectancy for someone with HIV is 56 years.
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