Travelers must be aware that a terrorist attack may occur at any time in any country of
the world.
AIDS (Acquired Immune Deficiency Syndrome) results from an infection from the HIV, a
retrovirus which attacks the immune system. AIDS itself is the final stage of the infection.
Malaria is caused by a blood-borne parasite which is transmitted
to humans through mosquito bites. This serious infectious disease, present mainly in tropical areas,
is characterised by high fevers and chills.
