Emerging Infectious Disease ISSN: 1080-6059

Co-infections of Plasmodium knowlesi, P. falciparum, and P. vivax among Humans and Anopheles dirus Mosquitoes, Southern Vietnam

Ron P. Marchand

, Richard Culleton, Yoshimasa Maeno, Nguyen Tuyen Quang, and Shusuke Nakazawa

Author affiliations: Author affiliations: Medical Committee Netherlands–Vietnam, Khanh Hoa Province, Vietnam (R.P. Marchand, N.T. Quang); Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan (R. Culleton, S. Nakazawa); Fujita Health University School of Medicine, Aichi, Japan (Y. Maeno).

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Figure 2

Dynamics of biting density and sporozoite positive salivary glands (including Plasmodium knowlesi) of Anopheles dirus mosquitoes in Khanh Phu forest, Vietnam. The solid red line connects the points of mean monthly An. dirus density (bites/person-night). Bars indicate the monthly number of sporozoite-positive salivary glands: white, P. knowlesi; gray, other species. The first mosquito found with P. knowlesi in August 2008 was described in Nakazawa et al. (11).

Figure 2. Dynamics of biting density and sporozoite positive salivary glands (including Plasmodium knowlesi) of Anopheles dirus mosquitoes in Khanh Phu forest, Vietnam. The solid red line connects the points of mean monthly An. dirus density (bites/person-night). Bars indicate the monthly number of sporozoite-positive salivary glands: white, P. knowlesi; gray, other species. The first mosquito found with P. knowlesi in August 2008 was described in Nakazawa et al. (11).

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