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Influenza - Local Data

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Published on September 08, 2017. Last modified on September 01, 2018

September 1, 2018: Seasonal influenza activity remains low in California.  Click here to learn more about the recent cases of A(H1N2v) influenza in San Luis Obispo County associated with swine contact.  

 

Local Data

Currently, California law only requires medical providers and laboratories to report suspected and confirmed cases of seasonal influenza among individuals less than 65 years of age and suspected cases of novel influenza among individuals of any age.  The elderly are more susceptible to complications from influenza infection, and deaths due to influenza among the elderly are not uncommon, unfortunately.  However, deaths due to influenza infection among individuals under the age of 65 years serve as sentinels for potential changes in the strain or severity of circulating influenza viruses each season.  They also may indicate if a particular population, such as young children, are being disproportionately affected by influenza during the current season.

An estimated 22,500 to 90,000 Monterey County residents become ill from influenza each flu season.

Severe Influenza Among Monterey County Residents Age 64 and Younger by Influenza Season: 2013-2018

 Disease

2009-2010

Pandemic

 2013-2014

Flu Season

2014-2015 

Flu Season

2015-2016

Flu Season

2016-2017

Flu Season

 2017-2018

Flu Season* 

 ICU Admissions
16
12
6
2
8
 6
 Fatalities  3  7  2  1  4  7

Source: Monterey County Health Department Epidemiology & Surveillance Unit. Data are current as of March 10, 2018.

*Data should be considered provisional.

State Data

The most recent California Influenza Surveillance Report can be accessed through this link. Please review this report for information on types of influenza circulating in California.

National Data