Transcript Emerging Disease

Worldwide, more than 33 million people are infected with HIV (the
virus that causes AIDS) and nearly 14 million are already dead of the
disease.
Ten percent of the world's
people live in Africa, but it
is home to 90 percent of
the world's HIV-infected
children. In sub-Saharan
Africa 470,000 children die
every year from AIDS. For
most, the deadly virus is
transmitted from their
mother.
AIDS in Africa: Dying by the numbers
•5.4 million new AIDS infections in
1999, 4 million of them in Africa.
•2.8 million dead of AIDS in 1999, 85
percent of them in Africa.
•13.2 million children orphaned by
AIDS, 12.1 million of them in subSaharan Africa.
•More than 500,000 babies infected in 1999
by their mothers -- most of them in subSaharan Africa.
•Reduced life expectancy in sub-Saharan
Africa from 59 years to 45 between 2005 and
2010, and in Zimbabwe from 61 to 33.
This sequence shows an HIV particle approaching and attaching itself to a
lymphocyte. (Lymphocytes, which include helper T cells and killer T cells,
are small white blood cells that are critical in immune defense and are
HIV's principal target.)
VECTOR??
Initially: headaches, high fever,
muscle & joint pain, weakness
Finally: internal and external
hemorrhaging (bleeding) &
death
(death rate is 70-90%)
VECTOR?
Fatigue, fever (101-104°)& muscle
aches.
About half of the people infected
with hantavirus will also develop
headaches, dizziness, chills, and
gastrointestinal problems such as
nausea, vomiting, diarrhea, and
abdominal pain.
Later symptoms include coughing
and shortness of breath.
Respiratory severity resulting in
death.
US death rate for
contracted cases of the
hantavirus is 38%
GLOBAL DISTRIBUTION