Human Emerging Respiratory Pathogens Bulletin: Issue 015 April 2018

Monthly situational analysis of emerging respiratory diseases affecting humans.

Update On Human Emerging Respiratory Pathogen Public Health Events (As Of March 31, 2018)

Novel influenza^{Table 1 Footnote 1}
	Cumulative Case Count^{Table 1 Footnote 2}	Deaths	Case Fatality Rate %^{Table 1 Footnote 3}
A(H7N9)	1,567	613	39%
A(H5N1)	860	454	53%
A(H9N2)	45	1	2%
A(H5N6)	19	9	47%
A(H7N4)	1	0	0%
H3N2v	434	1	<1%
H1N2v	13	0	0%
H1N1v	22	0	0%
Table 1 Footnote 1 Date of 1st Reported Case of Human Infection: MERS-CoV: February 2013 (retrospective case finding September 2012). A(H7N9): March 2013. A(H5N1): 1997. A(H9N2): 1998. A(H5N6): 2014. A(H7N4): February 2018 (retrospective case finding December 2017). H3N2v with M gene from pH1N1: 2011. H1N2v: 2005. H1N1v: 2005. Table 1 Return to footnote 1 referrer Table 1 Footnote 2 Cumulative Case Counts: updated using data reported by the World Health Organization (avian and swine influenza, MERS CoV), and the United States Centers for Disease Control and Prevention (US CDC) (swine influenza). Table 1 Return to footnote 2 referrer Table 1 Footnote 3 Case Fatality Rate: The proportion of cases that resulted in death. Table 1 Return to footnote 3 referrer

MERS-CoV^{Table 2 Footnote 1}
	Cumulative Case Count^{Table 2 Footnote 2}	Deaths	Case Fatality Rate %^{Table 2 Footnote 3}
MERS-CoV global case count	2,183	760	35%
MERS-CoV in Saudi Arabia	1,828	726	40%
Table 2 Footnote 1 Date of 1st Reported Case of Human Infection: MERS-CoV: February 2013 (retrospective case finding September 2012). A(H7N9): March 2013. A(H5N1): 1997. A(H9N2): 1998. A(H5N6): 2014. A(H7N4): February 2018 (retrospective case finding December 2017). H3N2v with M gene from pH1N1: 2011. H1N2v: 2005. H1N1v: 2005. Table 2 Return to footnote 1 referrer Table 2 Footnote 2 Cumulative Case Counts: updated using data reported by the World Health Organization (avian and swine influenza, MERS CoV), and the United States Centers for Disease Control and Prevention (US CDC) (swine influenza). Table 2 Return to footnote 2 referrer Table 2 Footnote 3 Case Fatality Rate: The proportion of cases that resulted in death. Table 2 Return to footnote 3 referrer

In this Bulletin

Avian Influenza A(H7N9)
Avian Influenza A(H5N1)
Avian Influenza A(H9N2)
Avian Influenza A(H5N6)
Avian Influenza A(H7N4)
Reassortant Influenza A(H1N2)
Swine Origin Influenzas A(H3N2)v, A(H1N2)v, and A(H1N1)v
Middle East Respiratory Syndrome- Coronavirus (MERS-COV)
In-depth Analysis: MERS-CoV

Avian Influenza A(H7N9)

In March 2018, there have been no new cases of H7N9 reported. A total of 1567 human cases of avian influenza A(H7N9), including at least 613 deaths, have been reported globally since 2013, with 1564 cases reported in wave 5 and three cases reported in wave 6. The three cases reported in the current wave (wave 6) have been spread across China. Two travel-related cases were reported in Canada in January 2015.

Avian Influenza A(H5N1)

In March 2018, no new cases of H5N1 were reported to the World Health Organization (WHO). A total of 860 cases, including 454 deaths, have been reported globally since 1997. One fatal travel-related case of A(H5N1) was reported in Canada in January 2014.

Avian Influenza A(H9N2)

In March 2018, three new cases of H9N2 were reported, all from China from Anhui Province, Guangdong Province, and Beijing. Globally, 45 cases, including 1 death, have been reported since 1998.

Avian Influenza A(H5N6)

In March 2018, no new cases of H5N6 were reported to the WHO. There have been a total of 19 cases, including 9 deaths, reported globally since 2014, with all cases occurring in China.

Avian Influenza A(H7N4)

In March 2018, no new cases of H7N4 were reported to the WHO. The only human case reported so far was in China in February 2018.

Reassortant Influenza A(H1N2)

In March 2018, a case was infected with a new reassortant A(H1N2) virus in the Netherlands. The virus is made of 2 genes from A(H1N1)pdm09 and 6 genes from A(H3N2). The case is a 1 year and 7 month old male.

Swine Origin Influenzas A(H3N2)v, A(H1N2)v, and A(H1N1)v

In March 2018, there have been no new cases of H3N2v. One locally-acquired case of H3N2v was reported in Canada in December 2016.

In March 2018, there have been no new cases of H1N2v. Since 2005, there have been a total of 13 confirmed cases of H1N2v in the United States, with four cases occurring in 2017.

In March 2018, no new cases of H1N1v were reported to the WHO. There have been a total of 22 cases reported globally since 2005, with only one case reported in 2018.

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Date modified:: 2018-08-09

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