NAMIBIA yesterday moved swiftly to intensify its surveillance at borders because of the outbreak of the feared Marburg fever in northern Angola, stationing a medical doctor at Windhoek's international airport to handle any suspected cases. Health Permanent Secretary Dr Kalumbi Shangula said not a single case of Marburg fever had been reported in the country, but that Government was not taking any risks. He said an information pamphlet in English and Portuguese would be distributed to all passengers on incoming flights from Angola. The doctor, who can speak both languages, will be stationed at the Hosea Kutako International Airport to...