Add to ORKGBackground. In most seasons, the influenza vaccine is effective in preventing influenza, but it is not clear whether it is equally effective in preventing mild and severe cases. We designed a case-control study to compare the effectiveness of the influenza vaccine in preventing outpatient, inpatient, and severe or fatal cases of laboratory-confirmed influenza. Methods. Hospitalized patients (n = 691) with laboratory-confirmed influenza in the 2010–2011 season recruited in 29 Spanish hospitals were individually matched by age, admission/visit date, and province with an outpatient with laboratory-confirmed influenza and an outpatient control. Severe cases were considered those patients admitted to in-tensive care units or who died in the hosp...
Immunisation programs are designed to reduce serious morbidity and mortality from influenza, but mos...
Immunisation programs are designed to reduce serious morbidity and mortality from influenza, but mos...
<div><p>Background</p><p>The effectiveness of currently licensed vaccines against influenza has not ...
Background. In most seasons, the influenza vaccine is effective in preventing influenza, but it is n...
Seasonal influenza is a common cause of hospital admission, especially in older people and those wit...
Seasonal influenza is a common cause of hospital admission, especially in older people and those wit...
Seasonal influenza is a common cause of hospital admission, especially in older people and those wit...
When influenza vaccination is ineffective in preventing influenza virus infection, it may still redu...
Background: Most evidence of the effectiveness of influenza vaccines comes from studies conducted in...
Most evidence of the effectiveness of influenza vaccines comes from studies conducted in primary car...
<p><strong>Objectives</strong><strong>: </strong>Influenza vaccination protects high-risk population...
Most evidence of the effectiveness of influenza vaccines comes from studies conducted in primary car...
<div><p>Background</p><p>Most evidence of the effectiveness of influenza vaccines comes from studies...
Immunisation programs are designed to reduce serious morbidity and mortality from influenza, but mos...
BACKGROUND: The effectiveness of currently licensed vaccines against influenza has not been clearly ...
Immunisation programs are designed to reduce serious morbidity and mortality from influenza, but mos...
Immunisation programs are designed to reduce serious morbidity and mortality from influenza, but mos...
<div><p>Background</p><p>The effectiveness of currently licensed vaccines against influenza has not ...
Background. In most seasons, the influenza vaccine is effective in preventing influenza, but it is n...
Seasonal influenza is a common cause of hospital admission, especially in older people and those wit...
Seasonal influenza is a common cause of hospital admission, especially in older people and those wit...
Seasonal influenza is a common cause of hospital admission, especially in older people and those wit...
When influenza vaccination is ineffective in preventing influenza virus infection, it may still redu...
Background: Most evidence of the effectiveness of influenza vaccines comes from studies conducted in...
Most evidence of the effectiveness of influenza vaccines comes from studies conducted in primary car...
<p><strong>Objectives</strong><strong>: </strong>Influenza vaccination protects high-risk population...
Most evidence of the effectiveness of influenza vaccines comes from studies conducted in primary car...
<div><p>Background</p><p>Most evidence of the effectiveness of influenza vaccines comes from studies...
Immunisation programs are designed to reduce serious morbidity and mortality from influenza, but mos...
BACKGROUND: The effectiveness of currently licensed vaccines against influenza has not been clearly ...
Immunisation programs are designed to reduce serious morbidity and mortality from influenza, but mos...
Immunisation programs are designed to reduce serious morbidity and mortality from influenza, but mos...
<div><p>Background</p><p>The effectiveness of currently licensed vaccines against influenza has not ...