The three-year-old girl from Lilongwe experienced onset of paralysis last November.
Strain detected in Malawi linked to the one circulating in Sindh Province in Pakistan since October 2019.
Kenya is on high alert after a polio case was detected in a child in Lilongwe, Malawi. The World Health Organization (WHO) says the case is the first of type 1 wild poliovirus (WPVI) in Africa in more than five years. Malawi last recorded a case of wild poliovirus in 1992.
Dr Peter Borus, who heads the Kenya Medical Research Institute (Kemri) polio laboratory, said there is already heightened surveillance at all entry points in the country.
