She took power over the weekend following the death of 78-year-old President Bingu wa Mutharika, who died in office after heading up the southern Africa country since 2004.
Mr Mutharika's decision to appoint her as his running mate for the 2009 elections surprised many in Malawi's mainly conservative, male-dominated society - which had never before had a female vice-president.
She will never be president, how can a mandasi [fritter] seller be president?
Callista...
