INFLUENZA WATCH - Department of Public Health
INFLUENZA WATCH
Summary of Los Angeles County Department of Public Health (LAC DPH)
Influenza and Other Respiratory Disease Surveillance
Updated 12-18-2020
MMWR Week: 50
Ending on: 12-12-2020
To subscribe to LAC DPH Viral Respiratory Illness Surveillance
Updates email ¡°Subscribe¡± to fluwatch@listserv.ph.
Influenza Surveillance at a Glance
Virology
Illness
Severe Disease
Less than 1% of specimens
tested at Los Angeles sentinel
surveillance laboratories* in
week 50 were positive for
Influenza.
Visits for influenza-like
illness accounted for 4.0%
of emergency department
visits in week 50, which is
more than in week 49.
Pneumonia, influenza, and
COVID-19 accounted for 29%
of all deaths registered in
LAC during week 50, which is
more than in week 49.
This season, more Influenza B
has been detected than
Influenza A.
*
No influenza-associated
deaths have been reported
yet season.
See indicator specific sections for associated methods.
Los Angeles County Department of Public Health (DPH) prepares this newsletter to
summarize current influenza surveillance data in Los Angeles County. Weekly surveillance
data are preliminary and subject to change. More information regarding methods can be
found on the surveillance system specific pages of this report.
COVID-19 surveillance data is published in the weekly COVID Watch surveillance report.
Daily counts of COVID cases and deaths are available on the LAC DPH website at
.
*
**
LAC DPH surveillance data excludes the cities of Long Beach and Pasadena.
The respiratory virus surveillance period starts with MMWR week 40 and runs through week 39 of the following year. The
2020-21 season started on Sept 27, 2020.
Los Angeles County Department of Public Health
Acute Communicable Disease Control
(213) 240-7941 publichealth.
Page 1 of 9
INFLUENZA WATCH
Summary of Los Angeles County Department of Public Health (LAC DPH)
Influenza and Other Respiratory Disease Surveillance
Virologic Surveillance
Sentinel Surveillance Laboratories
Viral surveillance data is provided by clinical laboratories serving hospitals and healthcare networks
across Los Angeles County. Participating laboratories provide the number of positive tests and total
number of specimens tested for SARS-CoV2, influenza and respiratory syncytial virus.
Figure 1. Respiratory Specimens Tested and Percent Positive for Influenza
Virus by LAC Sentinel Surveillance Laboratories, 2020-21 Influenza Season
90
45%
80
40%
70
35%
60
30%
50
25%
40
20%
30
15%
20
10%
10
5%
0
0%
9/26/21
9/12/21
8/29/21
8/15/21
8/1/21
7/4/21
7/18/21
6/20/21
6/6/21
5/9/21
5/23/21
4/25/21
4/11/21
3/28/21
3/14/21
2/28/21
2/14/21
1/31/21
1/17/21
1/3/21
12/20/20
12/6/20
11/22/20
11/8/20
10/25/20
9/27/20
10/11/20
Percent Positive
50%
Influenza Positive Specimens
100
Week Ending
Influenza A
Influenza B
TOTAL FLU % POS
Baseline*
*The baseline is defined as the mean percentage of specimens testing positive during non-influenza weeks for the
previous three seasons plus two standard deviations. Non-epidemic weeks are periods of ¡Ý2 consecutive weeks
during which each week accounted for ................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related download
- flu review summer 2021
- texas influenza surveillance report 2020 2021 season
- michigan flu focus
- data at a glance october 10 2021 oregon
- florida season flu review
- influenza watch department of public health
- virginia department of health weekly influenza activity report
- information brief national 2020 influenza season summary
- health care services epidemiology 825 n mcdonald street
- influenza surveillance report 2020 2021 season week 02
Related searches
- illinois department of public health worker registry
- illinois department of public health cna
- department of public health complaints
- department of public health vaccines
- illinois department of public health license
- department of public health texas
- illinois department of public health forms
- department of public health and environment
- department of public health forms
- colorado department of public health and envi
- department of public health michigan
- department of public health los angeles