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In most malaria-affected countries, sleeping under an insecticide-treated bednet is the most common and most effective way to prevent infection. Courtesy of WHO
After unprecedented global success in malaria control, progress has stalled, according to the World Malaria Report 2017. There were an estimated 5 million more malaria cases in 2016 than in 2015. Malaria deaths stood at around 445,000, a similar number to the previous year.
“In recent years, we have made major gains in the fight against malaria,” said Dr. Tedros Adhanom Ghebreyesus, director-general of the World Health Organization (WHO). “We are now at a turning point. Without urgent action, we risk going backwards, and missing the global malaria targets for 2020 and beyond.”
The WHO Global Technical Strategy for Malaria calls for reductions of at least 40 percent in malaria case incidence and mortality rates by the year 2020. According to WHO’s latest malaria report, the world is not on track to reach these critical milestones.
A major problem is insufficient funding at both domestic and international levels, resulting in major gaps in coverage of insecticide-treated nets, medicines, and other life-saving tools.
An estimated $2.7 billion was invested in malaria control and elimination efforts globally in 2016. That is well below the US $6.5 billion annual investment required by 2020 to meet the 2030 targets of the WHO global malaria strategy.
In 2016, governments of endemic countries provided $800 million, representing 31 percent of total funding. The United States of America was the largest international funder of malaria control programs in 2016, providing $1billion (38 percent of all malaria funding), followed by other major donors, including the United Kingdom of Great Britain and Northern Ireland, France, Germany and Japan.
The report shows that, in 2016, there were an estimated 216 million cases of malaria in 91 countries, up from 211 million cases in 2015. The estimated global tally of malaria deaths reached 445,000 in 2016 compared to 446 000 the previous year.
While the rate of new cases of malaria had fallen overall, since 2014 the trend has levelled off and even reversed in some regions. Malaria mortality rates followed a similar pattern.
The African Region continues to bear an estimated 90 percent of all malaria cases and deaths worldwide. Fifteen countries – all but one in sub-Saharan Africa – carry 80 percent of the global malaria burden.
“Clearly, if we are to get the global malaria response back on track, supporting the most heavily affected countries in the African Region must be the primary focus,” said Ghebreyesus.
In most malaria-affected countries, sleeping under an insecticide-treated bednet (ITN) is the most common and most effective way to prevent infection. In 2016, an estimated 54 percent of people at risk of malaria in sub-Saharan Africa slept under an ITN compared to 30 percent in 2010. However, the rate of increase in ITN coverage has slowed since 2014, the report finds.
Spraying the inside walls of homes with insecticides is another effective way to prevent malaria. The report reveals a steep drop in the number of people protected from malaria by this method – from an estimated 180 million in 2010 to 100 million in 2016 – with the largest reductions seen in the African Region.
The African Region has seen a major increase in diagnostic testing in the public health sector: from 36 percent of suspected cases in 2010 to 87 percent in 2016. A majority of patients (70 percent) who sought treatment for malaria in the public health sector received artemisinin-based combination therapies (ACTs) – the most effective antimalarial medicines.
However, in many areas, access to the public health system remains low. National-level surveys in the African Region show that only about one third (34 percent) of children with a fever are taken to a medical provider in the public health sector.
The report also outlines additional challenges in the global malaria response, including the risks posed by conflict and crises in malaria endemic zones. WHO is currently supporting malaria responses in Nigeria, South Sudan, Venezuela (Bolivarian Republic of) and Yemen, where ongoing humanitarian crises pose serious health risks. In Nigeria’s Borno State, for example, WHO supported the launch of a mass antimalarial drug administration campaign this year that reached an estimated 1.2 million children aged under 5 years in targeted areas. Early results point to a reduction in malaria cases and deaths in this state.
“We are at a crossroads in the response to malaria,” said Dr. Pedro Alonso, director of the Global Malaria Program, commenting on the findings of this year’s report. “We hope this report serves as a wake-up call for the global health community. Meeting the global malaria targets will only be possible through greater investment and expanded coverage of core tools that prevent, diagnose and treat malaria. Robust financing for the research and development of new tools is equally critical.”