When can W.H.O. declare a country E-Bola free? – McqOptions

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1.	When can W.H.O. declare a country E-Bola free?
A.	If no new cases are reported over one incubation period of virus
B.	If no new cases are reported over two incubation periods of virus
C.	If no new cases are reported over three incubation periods of virus
D.	If no new cases are reported over four incubation periods of virus
Answer» C. If no new cases are reported over three incubation periods of virus

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