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Nigeria has seen a small number of Covid -19 cases, largely spread amongst the most affluent, people who travel abroad, However there is concern about the potential of the virus to spread to overcrowded slum areas. In such conditions social distancing measures would be difficult to enforce. What are the alternatives?

The US now has the majority of cases of the virus, New York has been heavily hit, medics have developed an app to help understand the spread of Covid 19 in the community.

The availability of test kits is an issue worldwide, we look at a novel idea, adapting a device made from paper that could help to see whether the virus is present in wastewater.

The WHO has launched international drug trials to tackle covid 19, but none of the drugs involved were developed specifically to target this virus we look at why they might just work.

(Image: Getty Images)

Presenter: Roland Pease
Producer: Julian Siddle