What is Malaria?
Malaria is found
mainly in countries near the equator, including Cameroon. I always try to take
the proper steps to avoid malaria whenever I can. For example, I sleep under a
mosquito net and take my malaria prophylaxis everyday. So far I have not had malaria
here in Cameroon: I had one presumed case but the test result was negative.
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Map showing distribution of malaria transmission. |
Malaria is a disease
that is caused by a parasite of the Plasmodium genus and is transmitted by the
female Anopheles mosquito. The life cycle of malaria, or rather the Plasmodium parasite, starts when
an infected mosquito bites a person who does not have malaria and infects them
with the parasite. The parasite first develops in the liver and then moves to
the blood. After that the person starts to show the symptoms of malaria and
passes on the parasite when bitten by an uninfected mosquito. And the cycle
repeats.
This image shows the
life cycle of the Plasmodium parasite in detail, including the developmental
stages of the parasite inside each of its hosts.
This image shows the
cycle in a much simpler way, infected mosquito bites uninfected person and
infects them then an uninfected mosquito bites the infected person and becomes
infected.
This makes malaria a
community disease. When one person has malaria and they do not treat it
properly or they do not take precautions to protect themselves from other
mosquitoes it becomes possible for them to pass malaria on to other people
through the mosquitoes that bite them.
The female Anopheles
mosquito bites at night which makes sleeping under a mosquito net every night
the best way to prevent malaria. Since malaria is a community disease, getting
treatment right away is the best thing to do if you do get malaria. Although, a
person should get tested for malaria before they treat for malaria because the
parasite could develop resistance to the drugs that are used to treat malaria.
That is what happened with Chloroquine, a drug that used to be used to treat
malaria. Chloroquine can no longer be used in many places because it was used
to treat almost any fever without testing for malaria and the parasite
developed resistance to it.
According to WHO,
mortality from malaria has fallen by 42% globally since 2000 however, malaria
is still responsible for over 600,000 deaths each year around the world. Most
of the deaths caused by malaria, about 90%, happen in sub-Saharan Africa and
about 85% of those deaths occur in children under five years old. Children
under five years old, pregnant women, people living with HIV/AIDS, and
non-immune foreigners are the groups that are most at risk of dying of malaria.
"The Millennium Development Goal 6 specifically targets the reduction of
HIV/AIDS, malaria, and other diseases. It is estimated that since 2000, 1.1
million deaths from malaria have been averted due to measures taken to reduce
the disease. Countries which have adopted malaria control programs had a
reduction in child malaria mortality." (Peace Corps Cameroon Malaria
Handbook, 2014 Edition). Cameroon now has a National Malaria Control Program
and is working to eradicate malaria in Cameroon.