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transmission intensity

Malaria in Venezuela: changes in the complexity of infection reflects the increment in transmission intensity

May 12, 2020 - 16:35 -- Open Access
Author(s): 
M. Andreína Pacheco, David A. Forero-Peña, Ananias A. Escalante, et al.
Reference: 
Malaria Journal 2020 19:176, 7 May 2020

Malaria incidence has reached staggering numbers in Venezuela. Commonly, Bolívar State accounted for approximately 70% of the country cases every year. Most cases cluster in the Sifontes municipality, a region characterized by an extractive economy, including gold mining. An increase in migration to Sifontes, driven by gold mining, fueled a malaria spillover to the rest of the country and the region. Here samples collected in 2018 were compared with a previous study of 2003/2004 to describe changes in the parasites population structures and the frequency of point mutations linked to anti-malarial drugs.

Impact of vector control interventions on malaria transmission intensity, outdoor vector biting rates and Anopheles mosquito species composition in Tororo, Uganda

December 30, 2019 - 15:11 -- Open Access
Author(s): 
Alex K. Musiime, David L. Smith, James P. Egonyu, et al.
Reference: 
Malaria Journal 2019 18:445, 27 December 2019

Long-lasting insecticidal nets (LLINs) and indoor residual spraying of insecticide (IRS) are widely recommended for the prevention of malaria in endemic regions. Data from human landing catches provide information on the impact of vector control on vector populations. Here, malaria transmission indoors and outdoors, before and after mass deployment of LLINs and IRS in Uganda was compared.

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