| [yellow fever epidemic in the extreme north of cameroon in 1990: first yellow fever virus isolation in cameroon]. | some two years ago, suspicious cases of yellow fever (yf) were reported in northern cameroon. a deadly epidemic broke out during the second half of the rainy season (from 15 september to 22 december 1990) with 180 known cases, of which 125 died. the real figures could have been between 5000 and 20,000 cases with between 500 and 1000 deaths. the affected area was within the yellow fever belt, which is situated around latitude 11 degrees north and 14 degrees east. in this mountainous area (altitud ... | 1993 | 8490979 |
| investigation of a possible yellow fever epidemic and serosurvey for flavivirus infections in northern cameroon, 1984. | a cluster of fatal hepatitis cases in northern cameroon in 1984 stimulated a field investigation to rule out an epidemic of yellow fever. a serosurvey of villages in the extreme north of the country, in a sudan savanna (ss) phytogeographical zone, disclosed no evidence of recent yellow fever infection. however, further south, in a guinea savanna (gs) phytogeographical zone, serological evidence was found of endemic yellow fever virus transmission. the results indicate a potential for epidemic sp ... | 1987 | 3501739 |