MERS


18 January 2018

MERS situation update, November 2017

At the end of November 2017, a total of 2119 laboratory-confirmed cases of Middle East respiratory syndrome coronavirus (MERS-CoV), including 755 associated deaths (case–fatality rate: 35.6%) were reported globally; the majority of these cases were reported from Saudi Arabia (1747 laboratory-confirmed cases, including 681 related deaths with a case–fatality rate of 38.9%). During the month of November, eleven laboratory-confirmed cases of MERS were reported in Saudi Arabia, including four associated death (case-fatality rate: 36.4%). No health-care associated transmission or hospital outbreak was reported during this month. The demographic and epidemiological characteristics of the cases reported in 2017 do not show any significant...

16 November 2017

MERS situation update, December 2017

At the end of December 2017, a total of 2127 laboratory-confirmed cases of Middle East respiratory syndrome coronavirus (MERS-CoV), including 757 associated deaths (case–fatality rate: 35.6%) were reported globally; the majority of these cases were reported from Saudi Arabia (1753 laboratory-confirmed cases, including 683 related deaths with a case–fatality rate of 38.9%). During the month of December, 6 laboratory-confirmed cases of MERS were reported globally as follows- 4 cases in Saudi Arabia including one associated death, one case in United Arab of Emirates and one case in Malaysia. No health-care associated transmission or hospital outbreak was reported during this month. The demographic...

10 September 2017

MERS situation update, August 2017

At the end of August 2017, a total of 2080 laboratory-confirmed cases of Middle East respiratory syndrome coronavirus (MERS-CoV),  including 739 associated deaths (case–fatality rate: 35.5%) were reported globally; the majority of these cases were reported from Saudi Arabia (1710 laboratory-confirmed cases, including 665 related deaths with a case–fatality rate of 38.9%). During the month of August 2017, two clusters of MERS were reported from the same city in Al-Jawf Region of Saudi Arabia which were not epidemiologically related. Up to 31 August 2017, a total of 13 cases, including one related death (index case), were reported from the first cluster...

08 July 2017

MERS situation update, June 2017

At the end of June 2017, a total of 2039 laboratory-confirmed cases of Middle East respiratory syndrome coronavirus (MERS-CoV), including 730 deaths (case–fatality rate: 35.8%) were reported globally; the majority of these cases were reported from Saudi Arabia (1671 laboratory-confirmed cases, including 656 deaths with a case–fatality rate of 39.3%). During the months of May and June 2017, 3 simultaneous hospital outbreaks of MERS-CoV were reported from 3 different hospitals in Riyadh city, Riyadh Region in Saudi Arabia, of which 2 clusters are related. A total of 48 cases with 6 related deaths were reported from these 3 hospital clusters (CFR:...

11 June 2017

MERS situation update, May 2017

Highlights, May 2017 At the end of May 2017, a total of 1980 laboratory-confirmed cases of Middle East respiratory syndrome coronavirus (MERS-CoV), including 720 deaths (case–fatality rate: 36.4%) were reported globally; the majority of these cases were reported from Saudi Arabia (1613 laboratory-confirmed cases, including 646 deaths with a case–fatality rate of 40.1%). During the months of April and May 2017, three, yet unrelated, hospital outbreaks were reported. One from the Assir Region and two from the Riyadh region. A total of 13 cases with three related deaths were reported from these three hospital clusters. The date of reporting of last laboratory-confirmed...

10 May 2017

Regional situation update on MERS-CoV, April 2017

Highlights, April 2017 At the end of April 2017, a total of 1950 laboratory-confirmed cases of Middle East respiratory syndrome coronavirus (MERS-CoV), including 714 deaths (case–fatality rate: 36.6%) were reported globally; the majority of these cases were reported from Saudi Arabia (1586 laboratory-confirmed cases, including 640 deaths with a case–fatality rate of 40.4%). During the month of April, only 7 laboratory-confirmed cases were reported globally with no deaths. No health-care associated transmission or hospital outbreak was reported during this month. No new case was reported from the cluster of health-care associated transmissions reported from a hospital in the Riyadh region during the...

06 April 2017

MERS situation update, March 2017

Highlights At the end of March 2017, a total of 1936 laboratory-confirmed cases of Middle East respiratory syndrome coronavirus (MERS-CoV), including 713 deaths (case–fatality rate: 36.8%) were reported globally; Majority of these cases were reported from Saudi Arabia (1575 laboratory-confirmed cases, including 639 deaths with a case–fatality rate of 40%). During the months of February and March 2017, one hospital outbreak was reported from the Riyadh region resulting in 10 cases. No death was reported from this hospital cluster. The date of onset of illness of the index case was 26 February 2017 and that of the last laboratory-confirmed case was 11...

08 March 2017

MERS situation update, January–February 2017

At the end of February 2017, a total of 1916 laboratory-confirmed cases of Middle East respiratory syndrome coronavirus (MERS-CoV), including 702 deaths (case–fatality rate: 36.6%) were reported globally. Of these, Saudi Arabia reported a total of 1561 laboratory-confirmed cases, including 633 deaths (case–fatality rate: 40.6%). During the months of January and February 2017, an increase in the number of primary cases was observed in Saudi Arabia (18 primary cases) compared to the previous 2 months (17 primary cases), as well as during the same period in 2016 (13 primary cases). In January 2017, a total of 18 laboratory-confirmed cases, including 6...

02 October 2016

Situation update on MERS-CoV, July–August 2016

During the months of July and August 2016, no cluster of Middle East respiratory syndrome coronavirus (MERS-CoV) cases was reported from Saudi Arabia or elsewhere. During the months of July and August, a total 12 laboratory-confirmed cases of MERS, including two deaths were reported from Saudi Arabia. During the first eight months of 2016, Bahrain (1 death), Jordan (2 cases), Saudi Arabia (171 cases, including 49 deaths), Qatar (3 cases, including 1 death) and United Arab Emirates (2 cases) reported laboratory-confirmed cases of MERS. Compared to a similar time period in 2015 (January–August), there has been a 56% decline in the...

31 July 2016

Regional situation update on MERS, 30 June 2016

In the month of June 2016, a cluster of MERS-CoV cases was reported from a university hospital in Riyadh, Saudi Arabia. A total of 30 laboratory-confirmed case of Middle East respiratory syndrome (MERS), including one related death was reported from this cluster. Most of the cases were asymptomatic and were detected following an active screening of close contacts of the index patient. A total of 17 asymptomatic health care workers were detected from this cluster. During the first six months of 2016, both Bahrain (1 death), Jordan (2 cases), Saudi Arabia (154 cases, including 45 deaths), Qatar (3 cases, including 1...

06 May 2016

Regional situation update on MERS-CoV, 30 April 2016

Highlights Bahrain reported its first case of Middle East respiratory syndrome coronavirus (MERS-CoV) on 10 April 2016. The case was fatal, a 61-year-old Saudi male who was admitted to a health facility in Bahrain for an unrelated medical condition. With this case reported from Bahrain, which was an imported case, all member countries of the Gulf Cooperation Council have now reported laboratory-confirmed cases of MERS. Globally, since April 2012, WHO has been notified of 1788 laboratory-confirmed cases of MERS-CoV, including at least 681 deaths.   After the recent surge in cases reported in March 2016, a steady decline in MERS cases has...

26 April 2016

Regional situation update on MERS, March 2016

26 April 2016 -- During the month of March 2016, a surge in the number of primary cases was reported from 5 different regions in Saudi Arabia. These include Riyadh, Najran, Hail, Qaseem and Asir.  A new cluster of MERS cases linked to a hospital was reported from Buridah city of the Qassim region during March. The hospital outbreak began in February and within about 3 weeks (22 February to 12 March), a total of  23 cases of MERS, including 7 deaths were reported from this region. The cases included 5 primary and 18 secondary cases, of whom 6 were health...

25 February 2015

Situation report on Middle Eastern respiratory syndrome coronavirus (MERS-CoV), 22 February 2015

Highlights A total of 8 laboratory-confirmed cases, including 2 deaths, were reported in Saudi Arabia in the past week. Primary cases continue to increase in several locations in the country. The majority of cases continue to be male. The most affected age group among primary cases is those between 50 and 59 years old. The most affected age group among secondary cases is those between 30 and 39 years old. The median age of cases in years is 50. Cases from the hospital outbreak in Qaseem region continue to be reported. Click on image to enlarge

2015

Situation report, 30 November 2015

Situation update, 31 September  2015 [pdf Mb]

Situation update, 31 August 2015 [pdf 2.17Mb]

Situation update, 31 July 2015 [pdf 258kb]

Situation update, 15 June 2015 [pdf 2Mb]