2018-19 Weekly Influenza Update

2019-20 Weekly Influenza

Update

Preliminary data through week 201941, the week ending 10/12/2019 Edited by: Levi Schlosser, Influenza Surveillance Coordinator

Overview

As of this week: Cases reported for the week Cumulative cases for season Activity level

This season (2019-20) 5 38

Sporadic

Last season (2018-19) 29 62

Sporadic

While slightly lower than the previous week, the cumulative case count for influenza is on the rise. Cases of influenza are sporadic across the state, without a clear pattern currently. October activity is not unusual for North Dakota, and the decreased amounts of flu compared to the previous season are on par with the year prior. It is too early to tell if activity will drop off in November as it often does, or if it will continue to increase into the flu season. If you have already done so, now is a good time to get vaccinated for flu!

Number of Reported Laboratory-Identified Influenza Cases by Week Number

10 9 8 7 6 5 4 3 2 1 0

A H3N2 2009 A H1N1 Influenza A Influenza B B Yamagata B Victoria

Number of cases: This week This season

A H3N2

0 4

2009 A H1N1 Influenza A Influenza B B Yamagata B Victoria

0

3

2

0

0

1

15

18

0

0

1

Laboratory-confirmed influenza is a reportable disease in North Dakota. Influenza "cases" include people that have tested positive for influenza in a healthcare setting. It does not include people with influenza who did not seek healthcare, or who were diagnosed without a lab test, which is common. The true number of people with influenza in North Dakota is underrepresented, but case data allows us to see where and in what populations influenza is circulating. It also provides context regarding how the current season compares with previous seasons. Find more information about cases on .

Case Demographics

Case Count for LabConfirmed Cases by

Gender

Case Count for Lab-Confirmed Cases by Age Group

14 24

MALE FEMALE

4

8

2

12

12

9

0%

20%

40%

60%

80%

100%

Percent of All Cases

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