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ILI surveillance report 2016.2nd week (Jan 9-15, 2017) Print

1. Epidemiological surveillance

1.1. Outpatient visits

Figure 1.1.1. Countrywide

Influenza A(H3N2) viruses characterization circulating in Mongolia since November, 2016 Print

From October 2016 to January 10 2017, the Virology Laboratory at NCCD in Ulaanbaatar, Orkhon, Darkhan Uul, Dornod and Khovd provinces were tested 1233 specimens from influenza sentinel sites of which 120(9.7%) were positive for influenza, influenza A(H3N2) and influenza B virus were 117(99.5%) and 3(0.5%), respectively (Figure 1). The RSV was predominated among the other respiratory viruses detected during reporting period.

Figure 1. Weekly numbers of specimens collected from influenza sentinel sites and positive rate for influenza and other respiratory viruses, Oct-Dec.2016.


We cordially invite you to the 16th National Conference “Current Topics of Virology” which will be held on September 07, 2017 in Ulaanbaatar, Mongolia organized by the Mongolian Society of Virology, Mongolian Academy of Medical Science and other governmental and non-governmental organizations.

Please send your abstract by July 01, 2017 to B.Boldbaatar, Secretary of the Editorial Board by the mail addresses: This e-mail address is being protected from spam bots, you need JavaScript enabled to view it as attachments. The abstract has to be written in English and Mongolian in Times New Roman, 12 font within 200 words. In your e-mail message please indicate your desire for oral or poster presentation.

The Editorial Board of the Conference will contact you back by August 01, 2017 if your abstract will be selected for the oral presentation. The time allocated for the oral presentation is 10-15 minutes and it has to be accompanied by a slide presentation on PowerPoint (no more than 20 slides). 

Please contact for further information of the Conference: 
The secretary of the Conference Organizing Committee Dr (Mrs) B.Darmaa, MD, PhD, (mobile 9975-4824; This e-mail address is being protected from spam bots, you need JavaScript enabled to view it ) and secretary of the Mongolian Society of Virology 
Dr (Ms) G.Nyamaa (mobile 88703888; This e-mail address is being protected from spam bots, you need JavaScript enabled to view it ). 

Registration fee: 100 USD;
Bank name: Khan Bank account number:
Recipent: Mongolian Society of Virology

Sponsors are welcoming. Except free spaces for display of your services and products in the Lobby of the Conference Hall we will award the following prizes for sponsors:

  • “Diamond Prize” for the sponsors offering more than 3,000,000.00 tugriks,
  • “Gold Prize” for the sponsors offering 1,000,000.00 to 3,000,000.00 tugriks,
  • “Silver Prize” for the sponsors offering upto 1,000,000.00 tugriks.
Characterization of influenza A (H1N1) pdm09 viruses circulating in Mongolia Print

The Virology Laboratory, National Influenza Center(NIC), National Center for Communicable Diseases, MoH, Mongolia has received 2426 samples from sentinel surveillance sites 17 provinces and Ulaanbaatar city since start of 2015/2016 influenza season(week 40) until 7th week of 2016. The laboratory has tested all specimens by rt-RT-PCR, of which 297(12%) were positive for influenza; from them 267(89.9%) A(H1N1)pdm09, 3(1 %) A(H3N2) and 27(9 %) influenza type B were positive. Please see weekly distribution number of influenza positive by subtype The 59 A(H1N1)pdm09 viruses which isolated in Mongolia characterized antigenically were similar to the vaccine virus A/California/07/2009(H1N1) by HI test. The B viruses are still in the process of antigenically and genetically characterised. The Mongolian A(H1N1) pdm09 strains isolated in November and December 2015: A/Ulaanbaatar/3018/2015(H1N1)09pdm[ EPI709548]; A/Ulaanbaatar/2871/2015(H1N1)09pdm[EPI700846] are within the 6B subgroup defined by S162N and I216T substitutions in HA1(Figure 1). Antiviral Resistance.

Since October 1nd, 2015, 59 A(H1N1) pdm09 influenza strains tested by Virology Lab, NIC, Mongolia for antiviral resistance and all of them were sensitive to neuraminidase inhibitor oseltamivir.

Figure 1. Dendrogram of A/Ulaanbaatar/3018/2015(H1N1)pdm09; A/Ulaanbaatar/2871/2015(H1N1)pdm09 isolated in Nov, Dec 2015 compared with vaccine strains and other represented strains ( Mongolian strains are blue, Vaccine strain is red marked)

Hemagglutinin gene of the recent influenza A(H3N2) virus detected in Mongolia Print

The influenza virus detection started from 50th week of 2014 with A (H3N2) subtypes in Mongolia (A/Ulaanbaatar/4535/2014). We have sequenced HA gene of the newly detected A(H3N2) virus and the phylogenetic analyses has shown that A(H3N2) virus within clade 3C.3 (Picture 1).

Figure 1. Dendrogram of A/Ulaanbaatar/4535/2014 strain detected 50th week of 2014 compared with vaccine strains and clade represented strains ( Mongolian strains are green, Vaccine strain is red and clade represented strains are blue marked)

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Has been increased influenza A (H3N2) virus circulation among the population.

ILI in Mongolia



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