Volume s1-30, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


Malaria and filariasis bancrofti infections are found in every section of equatorial West Africa but the incidences vary greatly in different sections, including Liberia. During the last two and a half years, various survey teams of the U. S. Public Health Service Mission in Liberia have made sample studies in the three provinces and four of the five counties of Liberia for the purpose of determining the distribution of these two groups of diseases. Thick blood smears have been taken and studied from over 46,000 Liberians during that period. This paper reports the microfilaremia findings. The malaria findings will be reported in separate papers. The smears were stained by the Giemsa method. Table I gives the microfilaremia findings of these studies with emphasis on the superiority of smears taken at night over those taken during the day.

One may estimate that there are between 25,000 to 30,000 individuals showing microfilaremia in Liberia.


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