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Influenza Prevention

We anticipate that there will be two types of influenza illness and two different types of influenza vaccine this year •

Seasonal influenza

– the usual flu that causes illness in fall and winter every year •

H1N1 Influenza

– a novel flu virus that began causing illness for the first time in April 2009

Do you plan to or have you already received seasonal flu vaccine this year ?

NO

YES

The following presentation will take approximately 5 minutes to view

You will be asked to answer a question at the end of the presentation

Seasonal Influenza Basics and Mode of Spread

• • Influenza is a viral infection Symptoms include: abrupt onset of fever, body aches, tiredness, cough and sore throat. • Influenza is

easily spread

coughing or sneezing from person to person by • People with influenza can spread it to others starting

1 day before and up to 5-7 days after

they feel sick

You can spread influenza to others even if you don’t feel sick yourself

Burden of Influenza

• • • • In an average year in the US, seasonal influenza results in 30 million people getting sick 11 million out patient visits 200,000 hospital admissions 36,000 deaths

Importance of Seasonal Flu Vaccine for Healthcare workers

• Because you work in health care, you are

twice as likely to get influenza

the general population compared to • If you get influenza you can spread it to your patients, family and co-workers The single best way to prevent influenza is to get the flu vaccine each year

Effectiveness of Vaccine

• • • How well the flu vaccine works each year depends on a) the match between the vaccine strains and circulating strains and b) the age and health status of the person getting the vaccine

Age

6mo 64 yrs

Status

Healthy

Vaccine effectiveness *

70-90% against infection

The vaccine severe. works best in young, healthy adults where it is 70-90% effective in preventing influenza. In those who get influenza despite vaccine, the illness is usually less

>65 yrs >65 yrs Community dwelling Nursing home or long term care 30-70% against hospitalization 30-40% against infection 50-60% against hospitalization

The vaccine is less effective in older people and those with health problems . Thus it is doubly important that people around them ( family members and healthcare workers )

80% against death *

When vaccine well matched to circulating get the flu vaccine Influenza virus strains

Flu vaccine side-effects

Two types of seasonal flu vaccine will be available at Mayo

Flu shot:

• • An inactivated vaccine given as an injection Side-effects include: Soreness at the vaccine site and muscle pain

FluMist:

• A live vaccine given as a

nasal spray

problems or if you are pregnant . You cannot receive FluMist if you are 50 years or older, have chronic health • Side-effects include: Cough, runny nose, headache

Side-effects with both types of vaccine are mild and generally last less than 48 hours

TOP REASONS why

you

vaccine should get the flu

   

You are at higher risk of influenza

because you work in healthcare If you get influenza

you can spread it to patients and others

even though you may not feel sick The flu vaccine is

safe and effective and free

By getting the flu vaccine you

protect your patients, family, co workers and community Protect our patients, protect yourself !

After viewing this presentation, if you still to get the SEASONAL FLU DO NOT plan vaccine, please let us know why. Pick the choice that best explains your reason

   I don’t think I need the vaccine The flu vaccine makes me sick The flu vaccine doesn’t really work   The vaccine side effects are worse than the flu I don’t think employee flu vaccination protects patients  I am allergic to the vaccine. Consider Allergy Clinic consult

All answers are CONFIDENTIAL Individual responses will not be shared, only aggregate data will be analyzed to find ways to improve the employee flu vaccination program

Other Influenza Prevention Measures

 

Make sure the Respiratory Etiquette Signs are displayed in outpatient areas

Cover your mouth and nose while coughing or sneezing and encourage others to do the same. Use a droplet mask when you evaluate patients with a fever/ new cough

Perform hand hygiene using soap and water or alcohol hand rub

Place hospital patients with fever and new cough in Droplet Plus isolation, comply with the instructions on the Isolation door cards

If you think you have Influenza….

  Do not come in to work if you have fever and new cough.

If you are diagnosed with seasonal influenza, you must stay home until fever resolves   Talk to your primary provider, about antivirals. Antivirals may be useful if started soon after you develop symptoms. This is especially important you have heart or lung problems or are immunosuppressed Remember the flu vaccine is not 100% effective. So you can still get the flu even if you have had the flu vaccine.

H1N1 Influenza

• •

H1N1 flu virus is a novel flu virus that began causing flu-like illness in April of 2009

Over 7000 cases and 500 deaths due to H1N1 have been reported in the US as of August 2009

Increased numbers of H1N1 infection are predicted this fall

H1N1 illness is similar to seasonal flu – main symptoms are fever, muscle aches, cough, sore throat Unlike seasonal influenza, the majority of cases of H1N1 have occurred in younger people , especially those between the age of 5 and 24 years

H1N1 Vaccine

• • • The seasonal flu vaccine will not protect against H1N1 An H1N1 vaccine will be available later this year Groups with highest priority for H1N1 vaccination include: • • • • • Pregnant women People who care for children younger than 6 months Health care workers who have direct patient contact Children 6 months - 4 years Children 5 -18 years with chronic medical conditions • It is likely that 2 doses of H1N1 vaccine separated by 3 weeks will be needed

.

Other measures to prevent H1N1

H1N1 is spread in the same ways as seasonal influenza

Hand hygiene , respiratory etiquette isolation and appropriate prevent spread of both seasonal and H1N1 influenza

• •

Stay home if you have fever and new cough. If you are diagnosed with H1N1 infection you must stay home for 7 days from onset of symptoms or until fever resolves – whichever is longer

H1N1 information changes rapidly.

AOEC thanks William Buchta, MD of the Mayo Clinic System for donating this set of slides. August 2009