2017-2018 INFLUENZA SEASON | BOSTON

During the 2017-2018 Flu Season (10/1/2017-5/15/2018):

n 4,138 Boston residents with laboratory-confirmed flu were reported.

n 772 of these cases were hospitalized.

n 19 of these cases died.

n At the peak, 5.23% of all emergency room visits were due to influenza-like illness (fever and a cough or sore throat).

Reported Influenza Cases by Influenza Type, Boston Residents, 2017-2018

10/17/2017 5/5/2018

NU

MB

ER

OF

CA

SE

S

650

0

6%

0%

Percent of Emergency Department Visits forInfluenza-like Illness (ILI): Boston, 2014-2018

September August

5.23%PEAK ILI%

OCCURRED THE WEEK ENDING

2/3/2018

2014-2015 2015-2016 2016-2017 2017-2018

%IL

I/All

Vis

its

Boston Public Health Commission

Infectious Disease Bureau

1010 Massachusetts Avenue Boston, Ma 02118

(617) 534-5611

bphc.org

Preventing Flun Everyone 6 months and older should get a flu vaccine every year.

n Cover your nose and mouth with a tissue every time you cough or sneeze. If you don’t have a tissue, cough or sneeze into your upper sleeve.

n Clean your hands often with soap and water OR an alcohol-based hand cleaner.

n Clean surfaces in your home regularly with a household cleaner.

n Avoid close contact with people who are sick when possible.

n Stay home when you are sick.

Rate of Confirmed InfluenzaCases by Neighborhood

INFLUENZA A CASESINFLUENZA B CASES

Reported Influenza Cases, Boston Residents by Years of Age

<5 yrs 5-17 18-44 45-64 65-84 85+

Reported Influenza Cases by Race/Ethnicity in Boston Residents, Compared to the Overall Boston Population, 2017-2018

PERCENTHOSPITALIZED 8% 4% 7% 21% 42% 70%

Age and Gender

900 750 600 450 300 150 0 0 150 300 450 600 750 900

Ag

e G

rou

p (

yrs

) <55-17

18-4445-6465-84

85+

White Black Latino Asian Other

BOSTON POPULATION REPORTED INFLUENZA CASES

53.9%

31.8%

24.4%

33.0%

18.9%17.5%

7.0%8.9%

4.6% 4.1%

Race/Ethnicity

0 0 0 4 7 8NUMBER OF DEATHS

Number of Cases

Rate of ILI ED Visitsby Neighborhood