The research team examined data from 1980 onwards for 30 countries which successfully eliminated malaria and also took part in the 1955 Global Malaria Eradication Programme (GMEP).
In these countries, elimination has become highly stable and infection has declined.
Three potential reasons for this decline and stability of malaria have been suggested.
They include declines in transmission rates resulting from urbanization and economic development
Other reasons are a high-degree of transmission control from treating malaria cases combined with outbreak control and low-connectivity among places that are highly receptive to transmission.
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Santa is not the only one who has an epic journey to make on Christmas Eve. A Sussex man is to cycle 500 kms to raise money for charity.
James Wright has the forecast for tonight and tomorrow in the west of the region.
James Wright has the forecast for tonight and tomorrow in the east of the region.