Document Detail

Epidemiological assessment of malaria transmission in an endemic area of East Pakistan and the significance of congenital immunity.
MedLine Citation:
PMID:  4538539     Owner:  NLM     Status:  MEDLINE    
A longitudinal epidemiological study was carried out in a hyperendemic malarious area of East Pakistan. Transmission of malaria was observed with two peaks, one in the premonsoon period, the other in the pre-winter period. New infections occurred in 51.7% of the infants surveyed who were 2 months old or under when first examined: there were frequent superinfections. The maternal immunity passively transferred to the infants did not play a significant role in restricting the development of the asexual erythrocytic stage or that of gametocytes, as indicated by the fact that the average parasite density and the gametocyte counts were highest in the 0-2-month age group and declined with increasing age. Mosquitos were collected for identification and for dissection to determine parity, the sporozoite rate, the vectorial capacity, and other basic indices. An. minimus was the principal vector, but An. leucosphyrous was also found to be positive.
A Q Khan; S A Talibi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Bulletin of the World Health Organization     Volume:  46     ISSN:  0042-9686     ISO Abbreviation:  Bull. World Health Organ.     Publication Date:  1972  
Date Detail:
Created Date:  1972-11-25     Completed Date:  1972-11-25     Revised Date:  2010-10-26    
Medline Journal Info:
Nlm Unique ID:  7507052     Medline TA:  Bull World Health Organ     Country:  SWITZERLAND    
Other Details:
Languages:  eng     Pagination:  783-92     Citation Subset:  IM    
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MeSH Terms
Child, Preschool
Immunity, Maternally-Acquired*
Infant, Newborn
Insect Vectors
Malaria / epidemiology,  immunology*
Maternal-Fetal Exchange

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