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Extensive new Anopheles cryptic species involved in human malaria transmission in western Kenya

October 1, 2020 - 15:59 -- Open Access
Zhong D, Hemming-Schroeder E, Wang X, Kibret S, Zhou G, Atieli H, Lee MC, Afrane YA, Githeko AK, Yan G
Sci Rep. 2020 Sep 30;10(1):16139

A thorough understanding of malaria vector species composition and their bionomic characteristics is crucial to devise effective and efficient vector control interventions to reduce malaria transmission. It has been well documented in Africa that malaria interventions in the past decade have resulted in major changes in species composition from endophilic Anopheles gambiae to exophilic An. arabiensis.

Ultrasensitive CRISPR-based diagnostic for field-applicable detection of Plasmodium species in symptomatic and asymptomatic malaria

September 23, 2020 - 09:25 -- Open Access
Lee RA, Puig H, Nguyen PQ, Angenent-Mari NM, Donghia NM, McGee JP, Dvorin JD, Klapperich CM, Pollock NR, Collins JJ
Proc Natl Acad Sci U S A. 2020 Sep 21:202010196

Asymptomatic carriers of Plasmodium parasites hamper malaria control and eradication. Achieving malaria eradication requires ultrasensitive diagnostics for low parasite density infections (<100 parasites per microliter blood) that work in resource-limited settings (RLS). Sensitive point-of-care diagnostics are also lacking for nonfalciparum malaria, which is characterized by lower density infections and may require additional therapy for radical cure.

Not Open Access | Under the Radar: Epidemiology of Plasmodium ovale in the Democratic Republic of the Congo

August 10, 2020 - 15:56 -- NOT Open Access
Mitchell CL, Brazeau NF, Keeler C, Mwandagalirwa MK, Tshefu AK, Juliano JJ, Meshnick SR
J Infect Dis. 2020 Aug 7:jiaa478

Plasmodium ovale is an understudied malaria species prevalent throughout much of sub-Saharan Africa. Little is known about the distribution of ovale malaria and risk factors associated with infection in areas of high malaria endemicity.

Cerebral and Plasmodium ovale Malaria in Rhode Island

August 5, 2020 - 16:25 -- Open Access
Kaine J, Moran-Guiati J, Tanch J, Clyne B
R I Med J (2013). 2020 Aug 3; 103(6):64-67

We report two cases of malaria diagnosed in Rhode Island. First, a 21-year-old female who presented with 5 days of fevers, chills, headache, and myalgias after returning from a trip to Liberia, found to have uncomplicated malaria due to P. ovale which was treated successfully with atovaquone/proguanil and primaquine.

Case Report: Diagnostic Challenges in the Detection of a Mixed Plasmodium vivax/ovale Infection in a Non-Endemic Setting

April 23, 2020 - 10:01 -- Open Access
Nguyen HTT, Romano F, Wampfler R, Mühlethaler K, Tannich E, Oberli A
Am J Trop Med Hyg. 2020 Apr 20

In clinical practice, mixed-species malaria infections are often not detected by light microscopy (LM) or rapid diagnostic test, as a low number of parasites of one species may occur. Here, we report the case of an 8-year-old girl migrating with her family from Afghanistan with a two-species mixed infection with Plasmodium vivax and Plasmodium ovale.

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