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    Mosquitoes around the home can be reduced significantly by minimizing the amount of standing water available for mosquito breeding. Residents are urged to reduce standing water around the home in a variety of ways.


    The best way is to avoid being bitten by mosquitoes.This can be accomplished using personal protecting  while outdoors when mosquitoes are present. Treated bed nets should be used sleeping. Mosquito repellent should be used when outdoor.


    Nearly half of the world’s population is at risk of getting malaria. Pregnant women are particularly at risk of malaria. Children under 5 years are at high risk of malaria.


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Renewed interest in malaria has led to the creation of the Nationwide  Mosquito  Control Programme  (NAMCOP),  in  Ghana, targeting diseases caused by  mosquitoes. The initiative  by the  country's leading  sanitation  services  provider, Zoomlion  Company  Limited,  started about five years ago as a commitment to the elimination of mosquito breeding sites in the country.

It  has recruited 5,000 people  across Ghana and equipped them  with skills and technologies related to mosquito- spraying.

The  project is inspired by the  belief that the intervention can reduce mosquito-transmitted  diseases such as lymphatic filariasis (elephantiasis), yellow fever and dengue haemorrhagic fever.  The  ultimate aim being more productivity  as  man-hours  lost  to illnesses could be reduced.

The  5,000  recruits  were  trained  by experts from Valent Bio Sciences in the USA. Valent Bio Sciences produces the chemical  used  in  larviciding  to  kill mosquitoes. The larvicide is called Bti- Bacillus  Thuriensis  and  its  active ingredient is vectobag.

Larviciding is the application of biological chemicals to kill  mosquito larvae. The essence is to kill the larvae before it develops into adult mosquito. Adult mosquitoes are also targeted as part of the project.

After the training of the field staff, the company did some mapping to identify where  the  mosquitoes  breed.  The NAMCOP managers  disclosed that at La in the La Dade-Kotopon municipality in the Greater Accra region near the African  Lake  for  instance,  the  incidence of mosquitoes is very high. Areas like La and Dzorwulu in Accra are quite swampy. In the domestic environment the  company  found  the  anopheles mosquitoes in drains and flower pots.

The field staffs of NAMCOP have been spraying breeding sites in the  identified communities. They also  educate the residents on how to  reduce if not totally eliminate  mosquitoes, and by implication the  diseases they carry in their trail.

Kwame Addae, the Manager of NAMCOP and Abel Djangmah, Greater Accra Regional Co-ordinator of NAMCOP told Eyes on Malaria, that the Zoomlion  Company  Limited,  in  the course of managing waste realized that the mosquito incidence was very high” in the country.

The company detected mosquitoes  in containers, drains, old tyres and other waste  items.  It  therefore  decided  to add NAMCOP as an exit profile as part of its programme.

Larviciding  is  not  harmful  to  adult mosquito and others, they  explained. In larviciding, the trained  technicians undertake the mapping of the suspected mosquito-infested area.
They also try to obtain    baseline data which gives the idea as to the    malaria incidence in the area.    Staffs    liaise    with the health    centres    to get    the    confirmed reported    cases.    If    they find the malaria data high, they are able to plan appropriately.

To undertake larviciding, the workers define community entry protocols    and look for opinion leaders, assemblymen, district chief executives and country team leaders to sensitize them.

The countrywide programmes collaborate    with assembly members in the    planning process. They also work with     Environmental Health Directorates of    the assemblies to identify the places to be larvicided.

When the  product is applied to breeding sites in water, officials  do  a post-spray check to find out  whether the larvae had died.   They  use WHO protocols to record the data. To check the impact of the  spraying, there are control  measures that involve sample collection to know whether the  water is  breeding mosquitoes or not. Mosquitoes are water living organisms that need water to breed. 

The presence of the dead larvae shows that the chemical has worked. And it is encouraging to know that the destruction of larvae in their breeding areas is helping  to  lessen  the  incidence  of mosquitoes.


Twelfth Edition