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Incidence of dengue and chikungunya viruses in mosquitoes and human patients in border provinces of Vietnam

Overview of attention for article published in Parasites & Vectors, November 2017
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Title
Incidence of dengue and chikungunya viruses in mosquitoes and human patients in border provinces of Vietnam
Published in
Parasites & Vectors, November 2017
DOI 10.1186/s13071-017-2422-z
Pubmed ID
Authors

Kim Lien Pham Thi, Laurence Briant, Laurent Gavotte, Pierrick Labbe, Marco Perriat-Sanguinet, Emmanuel Cornillot, Trong Duoc Vu, Thi Yen Nguyen, Vu Phong Tran, Van Soai Nguyen, Christian Devaux, Aneta Afelt, Chi Cuong Tran, Thi Nga Phan, Nhu Duong Tran, Roger Frutos

Abstract

Dengue virus remains a major threat in Vietnam, while chikungunya virus is expected to become one. Surveillance was conducted from 2012 to 2014 in Vietnam to assess the presence of dengue and chikungunya viruses in patients hospitalized with acute fever in five Vietnam provinces neighboring Lao PDR and Cambodia. Surveillance was extended to mosquitoes present in the vicinity of the patients' households. A total 558 human serum samples were collected along with 1104 adult mosquitoes and 12,041 larvae from 2250 households. Dengue virus was found in 17 (3%) human serum samples and in 9 (0.8%) adult mosquitoes. Chikungunya virus was detected in 2 adult mosquitoes (0.18%) while no chikungunya virus was detected in humans. Differing densities of mosquito populations were found, with the highest in the Long An Province border with Cambodia. Long An Province also displayed the lowest rate of infection, despite a very high Breteau Index, high human population density and presence of the main cross border road system. The highest incidence was found in Dac Nong Province, where the Breteau and Container indices were the second lowest. Dengue virus was detected in five Aedes albopictus, three Aedes aegypti and one Culex vishnui. Chikungunya virus was detected in two Ae. aegypti. All infected mosquitoes belonged to haplotypes described in other parts of the world and a number of novel haplotypes were found among uninfected mosquitoes. Dengue is considered to be regularly introduced to Vietnam from Cambodia, mostly through human movement. The data reported here provides a complementary picture. Due to intensive international trade, long-distance transportation of mosquito populations may play a role in the regular importation of dengue in Vietnam through Ho Chi Minh City. It is important to decipher the movement of mosquitoes in Vietnam, not only at the Lao PDR and Cambodia borders but also through international trade routes. Mosquito surveillance programs should address and follow mosquito populations instead of mosquito species.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 108 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 108 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 22 20%
Student > Master 22 20%
Other 7 6%
Student > Doctoral Student 7 6%
Student > Bachelor 6 6%
Other 18 17%
Unknown 26 24%
Readers by discipline Count As %
Agricultural and Biological Sciences 21 19%
Medicine and Dentistry 13 12%
Biochemistry, Genetics and Molecular Biology 10 9%
Immunology and Microbiology 8 7%
Nursing and Health Professions 7 6%
Other 19 18%
Unknown 30 28%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 November 2017.
All research outputs
#20,451,991
of 23,007,887 outputs
Outputs from Parasites & Vectors
#4,881
of 5,502 outputs
Outputs of similar age
#288,681
of 331,173 outputs
Outputs of similar age from Parasites & Vectors
#135
of 157 outputs
Altmetric has tracked 23,007,887 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,502 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.7. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 331,173 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 157 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.