The World Health Organization called for bolstering efforts for malaria control and elimination by targeting malarial parasites that were once believed to be less fatal but now causing high disease burden. As nearly 3.2 billion people continue to live in areas with risk of malaria infection, it needs to be high on the global agenda to achieve the target of 90 per cent reduction in deaths and disease, and elimination in 35 countries by 2030, it said.
“Our efforts so far focused on the most deadly P falciparum malaria. We need to now broaden our strategy to include targeted interventions for P vivax malaria, which is contributing to a large proportion of global malaria burden, mainly in the WHO South-East Asia Region,” Dr Poonam Khetrapal Singh, Regional Director, said at a global malaria meeting in New Delhi. Of the 18.9 million P vivax malaria cases reported in 2012, nearly 13 million were from countries in the WHO South-East Asia Region, mainly India.
“We need targeted strategies for P vivax malaria which presents distinct challenges for control and elimination compared to P falciparum. It is proving to be an extremely difficult parasite as it does not readily respond to the existing control measures and has the ability to remain hidden and beyond the reach of the currently available diagnostic tools and medication,” Singh said.
There is growing evidence that P vivax malaria can cause severe disease and can also be fatal. WHO estimates that it could be responsible for up to 15 per cent malaria deaths outside of Africa, as per the “Technical Brief on Control and Elimination of P vivax malaria”, launched at the meeting. Reducing the burden of malaria is part of Sustainable Development Goals 2030. In May 2015, the World Health Assembly adopted the Malaria Global Technical Strategy 2016-2030, which aims to reduce malaria deaths and disease by at least 90 per cent and eliminate malaria in at least 35 countries by 2030
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