Human Emerging Respiratory Pathogens Bulletin: Issue 29, May 2019
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Organization: Public Health Agency of Canada
Published: 2019-06-11
Monthly situational analysis of emerging respiratory diseases affecting humans (data to May 31, 2019)
In this bulletin
- Novel Influenza Updates
- Swine Influenza Updates
- Middle East Respiratory Syndrome Coronavirus (MERS-CoV)Updates
Novel influenzaTable 1 Footnote 1 | Cumulative Case CountTable 1 Footnote 2 | Deaths | Case Fatality Rate %Table 1 Footnote 3 |
---|---|---|---|
A(H7N9) | 1,568 | 615 | 39% |
A(H5N1) | 878 | 460 | 52% |
A(H9N2) | 51 | 1 | 2% |
A(H5N6) | 23 | 15 | 65% |
A(H7N4) | 1 | 0 | 0% |
H3N2v | 435 | 1 | <1% |
H1N2v | 26 | 0 | 0% |
H1N1v | 23 | 0 | 0% |
A(H1N2)Table 1 Footnote 4 | 2 | 0 | 0% |
MERS-CoVTable 1 Footnote 1 | Cumulative Case CountTable 1 Footnote 2 | Deaths | Case Fatality Rate %Table 1 Footnote 3 |
Global Case Count | 2,442 | 839 | 34% |
Saudi Arabia | 2,051 | 762 | 37% |
|
Avian Influenza Updates
Avian influenza A(H7N9)
No new H7N9 cases were reported to the WHO in May 2019. The last case was reported in April 2019. A total of 1568 human cases of avian influenza A(H7N9), including at least 615 deaths, have been reported globally since 2013, with 1564 cases reported in wave 5, three cases reported in wave 6 and one case reported in the current wave 7 (Figure 1). Two travel-related cases were reported in Canada in January 2015.
Figure 1. Temporal distribution of human infection with avian influenza A(H7N9), globally, by month and year, January 1, 2013 – May 31, 2019 (n=1568).
Note: Graph was prepared by the Centre for Immunization and Respiratory Infectious Diseases (CIRID) using data from the latest WHO Monthly Influenza at the Human-Animal Interface Risk Assessment. This graph reflects data available through these risk assessments as of May 31, 2019.
Text description
Year | Month | Cases | Deaths |
---|---|---|---|
2016 | Jun | 2 | 0 |
Jul | 4 | 0 | |
Aug | 0 | 0 | |
Sep | 0 | 0 | |
Oct | 2 | 0 | |
Nov | 10 | 2 | |
Dec | 114 | 39 | |
2017 | Jan | 197 | 29 |
Feb | 93 | 13 | |
Mar | 70 | 12 | |
Apr | 72 | 24 | |
May | 50 | 6 | |
Jun | 19 | 4 | |
Jul | 2 | 0 | |
Aug | 3 | 2 | |
Sep | 1 | 0 | |
Oct | 0 | 0 | |
Nov | 0 | 0 | |
Dec | 1 | 0 | |
2018 | Jan | 1 | 1 |
Feb | 1 | 0 | |
Mar | 0 | 0 | |
Apr | 0 | 0 | |
May | 0 | 0 | |
June | 0 | 0 | |
July | 0 | 0 | |
Aug | 0 | 0 | |
Sep | 0 | 0 | |
Oct | 0 | 0 | |
Nov | 0 | 0 | |
Dec | 0 | 0 | |
2019 | Jan | 0 | 0 |
Feb | 0 | 0 | |
Mar | 0 | 0 | |
Apr | 1 | 0 | |
May | 0 | 0 |
Avian Influenza A(H9N2)
No new cases of H9N2 were reported to the WHO in May 2019. The most recent case was reported in March 2019 in China. Globally, 51 cases, including 1 death, have been reported since 1998.
Avian Influenza A(H5N6)
No new cases of H5N6 were reported to the WHO in May 2019. The most recent case of H5N6 was reported in November 2018 in China. The source of exposure was unknown. There have been a total of 23 cases, including 15 deaths, reported globally since 2014, all in China.
Avian Influenza A(H7N4)
No new cases of H7N4 were reported to the WHO in May 2019. On February 14, 2018, the WHO was notified of the first known human case of H7N4. The case was associated with poultry exposure. No cases have been reported since.
Swine Influenza Updates
Swine Origin Influenza A(H3N2)v
The most recent case of swine origin influenza H3N2v was reported in June 2018 in the United States. The case reported exposure to swine at an agricultural fair. A total of 435 cases, including 1 death, have been reported globally since 2011. One locally-acquired case of H3N2v was reported in Canada in December 2016.
Swine Origin Influenza A(H1N2)v
The most recent case of swine origin influenza H1N2v was reported in August 2018 in the United States. The case reported exposure to swine at an agricultural fair. A total of 26 confirmed cases of H1N2v have been reported in the United States since 2005. Most of the reported cases resulted in mild illness.
Swine Origin Influenza A(H1N1)v
The most recent case of swine origin influenza H1N1v was reported in May 2019 from Michigan in the United States. The case was over 65 years, had no history of swine exposure, and has fully recovered. A total of 23 cases have been reported globally since 2005. H1N1v infections have been associated with mild illness.
Middle East Respiratory Syndrome Coronavirus Updates
Middle East Respiratory Syndrome Coronavirus (MERS-CoV)
In May 2019, 14 new cases of MERS-CoV, including 4 deaths, were reported in Saudi Arabia (Figure 3): a decrease from the number of cases reported in earlier months this year (Figure 4). Approximately 71% (10/14) of these cases were male and the median age was 59 years (range: 22-80 years). Twelve cases were classified as primary cases (eight cases with unknown camel exposure, three cases with camel exposure, and one case with no camel exposure) and two cases were classified as secondary cases. A total of 2442 laboratory-confirmed cases of MERS-CoV, including 839 deaths, have been reported globally since 2012 by the WHO and the Kingdom of Saudi Arabia (Figure 4). No cases have been reported in Canada.
Figure 4. Temporal distribution of human cases of MERS-CoV reported to the WHO, globally, by month and year, January 1, 2017 – May 31, 2019 (n=535).
Note: Graph was prepared by the Centre for Immunization and Respiratory Infectious Diseases (CIRID) using data from the WHO Disease Outbreak News and Saudi Arabia's Ministry of Health. This graph reflects data available as of May 31, 2019.
Text description
Year | Month | Cases | Deaths |
---|---|---|---|
2017 | Jan | 19 | 7 |
Feb | 20 | 9 | |
Mar | 22 | 6 | |
Apr | 15 | 3 | |
May | 21 | 5 | |
Jun | 59 | 12 | |
Jul | 11 | 3 | |
Aug | 32 | 7 | |
Sep | 8 | 5 | |
Oct | 14 | 2 | |
Nov | 13 | 4 | |
Dec | 14 | 3 | |
2018 | Jan | 17 | 11 |
Feb | 14 | 2 | |
Mar | 17 | 4 | |
Apr | 8 | 5 | |
May | 13 | 2 | |
June | 10 | 1 | |
July | 7 | 3 | |
August | 6 | 2 | |
Sep | 14 | 6 | |
Oct | 9 | 2 | |
Nov | 7 | 1 | |
Dec | 5 | 0 | |
2019 | Jan | 19 | 5 |
Feb | 76 | 14 | |
Mar | 29 | 3 | |
Apr | 22 | 7 |
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