Authorities in Zambia are working to contain a damaging outbreak of root rot disease that could lead to shortages of a key food staple for the majority of households in the country.
Over the past few years, root rot or cassava brown streak virus disease (CBSD) has affected north-eastern Zambia (Luapula Province) near the Democratic Republic of the Congo.
Recently, it spread to the north-western parts of Zambia,
