Bài báo khoa học

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31. Ước tính tổng lượng thuốc kháng sinh sử dụng trên người và động vật ở Việt Nam

An estimation of total antimicrobial usage in humans and animals in Vietnam. Juan J. Carrique-Mas, Marc Choisy, Nguyen Van Cuong, Guy Thwaites & Stephen Baker. ANTIMICROBIAL RESISTANCE AND INFECTION CONTROL (2020) 9:16. Download

Abstract: The accurate assessment of antimicrobial use (AMU) requires relating quantities of active ingredients (AAIs) with population denominators. These data can be used to prioritize potential sources of selective pressure for antimicrobial resistance and to establish reduction targets. Here, we estimated AMU in Vietnam (human population 93.4 M in 2015), and compared it with European Union (EU) data (population 511.5 M in 2014). We extrapolated AMU data on each key animal species and humans from different published sources to calculate overall AMU (in
tonnes) in Vietnam. We then compared these data with published statistics on AMU in the European Union (EU). A total of 3838 t of antimicrobials were used in Vietnam, of which 2751 (71.7%) corresponded to animal use, and the remainder (1086 t; 28.3%) to human AMU. This equates to 261.7 mg and 247.3 mg per kg of human and animal biomass, compared with 122.0 mg and 151.5 mg in the EU. The greatest quantities of antimicrobials (in decreasing order) were used in pigs (41.7% of total use), humans (28.3%), aquaculture (21.9%) and chickens (4.8%). Combined
AMU in other species accounted for < 1.5%. These results are approximate and highlight the need to conduct targeted surveys to improve country-level estimates of AMU.

32. Nghiên cứu mới về mối liên hệ giữa liên cầu khuẩn (S. suis) và gà

 Nguyen Thi Nhung, Nguyen Thi Phuong Yen, Nguyen Cuong, Bach Tuan Kiet, Vo Be Hien, James Campbell, Guy Thwaites, Stephen Baker, Ronald Geskus, Philip Ashton, Juan Carrique‐Mas. 28/04/2020 Download tại đây

Streptococcus suis infections are an emerging zoonotic agent causing severe disease in humans and a major pig pathogen worldwide. We investigated the colonization of S. suis in healthy chickens in different flocks (n = 59) as well as in‐contact pigs in farms with S. suis ‐positive chickens (n = 44) in the Mekong Delta of Vietnam. Streptococcus suis was isolated from 20 (33.9%) chicken flocks and from all pigs investigated. Chicken isolates formed a distinct genotypic cluster compared with pig and human strains, although two chicken isolates (10%) clustered with pig isolates. Chicken isolates had unusually high levels of resistance against tetracycline (100%), clindamycin (100%) and erythromycin (95%); and intermediate resistance against penicillin (35%) and ceftriaxone (15%). Our findings suggest that chickens may potentially represent a source of S. suis infection to in‐contact humans and pigs.









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