World Health Organization has called for the minimal disruptions to malaria prevention and treatment services during the COVID-19 pandemic in sub-Saharan Africa.
WHO warned that severe disruptions to insecticide-treated net campaigns and in access to antimalarial medicines could lead to a doubling in the number of malaria deaths in sub-Saharan Africa this year compared to 2018.
This is according to a new modelling analysis released by WHO and partners ahead of World Malaria Day (25 April).
The organization urged countries to move fast and distribute malaria prevention and treatment tools at this stage of the COVID-19 outbreak in sub-Saharan Africa, and to do their utmost to safely maintain these essential malaria control services.
The analysis considers nine scenarios for potential disruptions in access to core malaria control tools during the pandemic in 41 countries, and the resulting increases that may be seen in cases and deaths.
“Under the worst-case scenario, in which all insecticide-treated net (ITN) campaigns are suspended and there is a 75% reduction in access to effective antimalarial medicines, the estimated tally of malaria deaths in sub-Saharan Africa in 2020 would reach 769 000, twice the number of deaths reported in the region in 2018. This would represent a return to malaria mortality levels last seen 20 years ago,” read a statement from WHO.
According to the World malaria report 2019, sub-Saharan Africa accounted for approximately 93% of all malaria cases and 94% of deaths in 2018. More than two-thirds of deaths were among children under the age of five.
A window of opportunity
To date, the number of reported cases of COVID-19 in sub-Saharan Africa has represented only a small proportion of the global total, though cases are increasing every week.
This means that countries across the region have a critical window of opportunity to minimize disruptions in malaria prevention and treatment and save lives at this stage of the COVID-19 outbreak.
“Mass vector control campaigns should be accelerated, ensuring protection for both health workers and communities against COVID-19 transmission. WHO and partners commend the leaders of Benin, the Democratic Republic of the Congo, Sierra Leone and Chad for initiating ITN campaigns during the pandemic. Other countries are adapting their net distribution strategies to ensure households receive the nets as quickly and safely as possible,” read the statement.
WHO also insisted on the maintaining of preventive therapies for pregnant women and children.
The Organization further advised that the provision of prompt diagnostic testing and effective antimalarial medicines are also essential to prevent a mild case of malaria from progressing to severe illness and death.
“WHO and partners have developed guidance to ensure that those suffering from malaria can safely receive the care they need within the package of essential health services to be delivered in COVID-19 settings. Tailoring malaria interventions in COVID-19 response includes guidance on the prevention of infection through vector control and chemoprevention, testing, treatment of cases, clinical services, supply chain and laboratory activities,” read the statement.
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The analysis is subject to uncertainties. It does not consider, for example, the effects of an interruption in indoor residual spraying or seasonal malaria chemoprevention (except in Burkina Faso); a suspension of these core malaria prevention tools would also lead to considerable loss of life.
In addition, there is limited understanding of the spread of COVID-19, its epidemiology and interactions with malaria. The model will be updated as such data become available, and countries will be provided with relevant information to tailor their responses accordingly.