2019-20 Weekly Influenza Update

[Pages:6]2019-20 Weekly Influenza

Update

Preliminary data through week 202020, the week ending 05/16/2020 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) 1

12,498 No Activity

Last season (2018-19) 20

7,906 Sporadic

Influenza activity remains low across the state as we approach the end of the 2019-20 influenza season, with only one new laboratory-confirmed case of influenza in the previous week. Nationally, the percentage of deaths associated with influenza and pneumonia is at 7.4%, down from 12.3% the previous week but still above the epidemic threshold of 6.7%. This is primarily due to COVID-19, and not influenza. With COVID-19 circulating, measures to prevent the spread of all respiratory illnesses are increasingly important.

1400 1200 1000

800 600 400 200

0

Number of Reported Laboratory-Identified Influenza Cases by Week Number

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

Number of cases: This week This season

A H3N2

0 23

2009 A H1N1 Influenza A Influenza B B Yamagata B Victoria

0

0

1

0

0

375

5679

6054

3

364

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

6590 5908

4234

2115

1639

1740 997 748 1022

0% MALE FEMALE

20%

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