The affected areas are Chiweta, Mhuju, Nchenachena, Bolero and Katowo in Rumphi and Emfeni in Mzimba. So far 4600 pigs in Rumphi and 365 pigs in Mzimba have died due to the suspected outbreak.
http://www.nyasatimes.com/national/swine-fever-threatens-90000-pigs-in-northern-malawi.html