It is 115 years since British medical researcher Sir
Ronald Ross (1857-1932) discovered that mosquitoes transmit the malaria
parasite. In honour of his landmark discovery in 1902, World Mosquito Day is
celebrated annually on 20 August.
So, over a century later, where does the world stand in the fight
against malaria? According to the World Health Organization (WHO) there were
216 million cases of malaria and an estimated 655,000 deaths in 2016. Most of
these infections are in sub-saharan Africa, and children under 5 years old make
up the majority of malaria cases.
However, global mortality rates have fallen by more than 25% since 2000,
and 33% in Africa. The advent of the Global Fund to Fight AIDS, TB and Malaria
has helped channel resources to prevention and treatment in some of the hardest
hit places.
Treating malaria requires a proper diagnosis, which now can be
administered on-the-spot with a rapid diagnostic test.
But prevention is best. There are two basic forms: the first is called
indoor residual spraying (spraying a non-toxic insecticide in
people’s homes, huts or bedrooms.) The other effective prevention method is
sleeping under an insecticide treated bednet called a Long Lasting Insecticide
treated Net (LLIN). This is a highly effective method of malaria control,
costing about $10. When people in communities use bed nets, malaria rates can
be reduced by as much as 90%.
World Mosquito Day provides an important opportunity
to remind governments, interest groups, businesses and local communities that
we all have a part to play in reducing the public health and economic burden of
malaria.
MARTINA NICOLLS is an international
aid and development consultant, and the author of:- Similar But Different
in the Animal Kingdom (2017), The Shortness of Life: A Mongolian Lament
(2015), Liberia’s Deadest Ends (2012), Bardot’s Comet (2011), Kashmir on a
Knife-Edge (2010) and The Sudan Curse (2009).
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