Nigeria has been hit by a surge in cholera cases in recent weeks, focused on the country’s north and adding to a public health crisis accompanied by a rise in COVID-19 cases.”In the last two weeks we had new and resurgence cases,” Dr. Bashir Lawan Muhammad, the state epidemiologist and deputy director of public health for northern economic hub Kano State, told Reuters.He said the rainy season was making it worse, while insecurity in the north, where the authorities have been battling Islamist militants and armed criminals, was also hindering the authorities’ ability to respond.Twenty-two of Nigeria’s 36 states, as well as the federal capital territory Abuja, have suspected cases of cholera, according to the Nigeria Centre for Disease Control, (NCDC). The illness, which is caused by contaminated water, can kill within hours if not treated.The surge has been focused in the north of the country, where health systems are …