Nigerians Should Brace Up For Adverse Weather Conditions - WHO

Nigerians should brace for adverse weather conditions such as heavy rainfall and flooding, and diseases like cholera this year.
This is against the backdrop of predictions by the World Health Organisation (WHO) that rainfall patterns will be unusually heavy and lead to serious flooding and major outbreaks of malaria, cholera and Rift Valley Fever.
Rift Valley Fever (RVF) is a viral zoonosis that primarily affects animals but also has the capacity to infect humans. The disease also results in significant economic losses due to death and abortion among RVF-infected livestock


According to WHO, El Niño which is a warming of the central to eastern tropical Pacific Ocean, affects rainfall patterns and temperatures most intensely in the tropical regions of Africa, Asia-Pacific, and Latin America, which are particularly vulnerable to natural hazards. Typically, some places receive much more rain than normal while others receive much less.
According to a new report by WHO, severe drought, flooding, heavy rains and temperature rises are all known effects of El Niño that can lead to food insecurity and malnutrition, disease outbreaks, acute water shortages, and disruption of health services. The health implications are usually more intense in developing countries with fewer capacities to reduce the health consequences.

The WHO report reads: “The current El Niño from 2015 to 2016 is predicted to be the worst in recent years, and comparable to the El Niño in 1997-1998, which had major health consequences worldwide. In Eastern Africa, as a result of the El Niño in 1997-1998, WHO found that rainfall patterns were unusually heavy and led to serious flooding and major outbreaks of malaria, cholera and Rift Valley Fever.”

Also, a new study published in The Lancet, has concluded that the Zika outbreak sweeping through the Americas was triggered by the El Niño phenomenon and global warming.
The exceptionally hot and dry winter and spring recently experienced in northeast Brazil created the perfect conditions for the Zika-carrying Aedes mosquito to thrive.
While the high temperatures recorded in the region encouraged the growth of the mosquito population, the drought that ensued also played a role.

In times of drought people are compelled to store reservoirs of water in containers near their homes, thus creating a convenient habitat for the mosquito, experts at the University of Haifa and the European Center for Disease Prevention and Control (ECDC), said.
Dr. Shlomit Paz, who led the study with Prof. Jan Semenza, said: “The extreme temperature and drought are due to a combination of the El Niño phenomenon and the climate changes of recent years.”

Meanwhile, experts are recommending that aircraft flying into Nigeria from countries hit by the Zika virus should be sprayed with insecticides to stop the virus from spreading.
To combat mosquitos that might have entered aircraft travelling to Nigeria, insecticides should be sprayed to kill them off.

Similarly, the DailyMailUK reported yesterday that planes arriving in the United Kingdom (UK) from all countries where cases of Zika have been confirmed in South America and the Caribbean will be sprayed as a precautionary measure.
But The Guardian reliably learnt that the precautions – known as ‘disinfection’ – already occur on many flights from the region as a precaution against mosquito-borne malaria.
The WHO advises it has found no evidence that insecticide sprays used in planes are harmful to human health when used as recommended.

Individuals can protect themselves from mosquito bites by using insect repellents, and wearing long sleeves and long pants – especially during daylight, when the mosquitoes tend to be most active, health officials say.
Eliminating breeding spots and controlling mosquito populations can help prevent the spread of the virus.
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