Influenza vaccination in older adults (aged 65 years or older)
Individuals who received a seasonal influenza vaccination (numerator), among Individuals aged 65 years or older (denominator)
Influenza (flu) is a common and contagious respiratory illness caused by a set of viruses that can result in serious complications or death . During influenza seasons, approximately 90% of influenza-related deaths occur in the elderly . A seasonal influenza vaccine is therefore recommended in Israel for the entire population (aged 6 months or older), with a special emphasis on several high-risk groups, including all persons aged 65 years or older .
Individuals in the denominator who received a seasonal influenza vaccination
Individuals aged 65 years or older
 Centers for Disease Control and Prevention (CDC). 2013. “Seasonal Influenza: Flu Basics.” Last modified September 12.
 Epidemiology and Prevention of Vaccine- Preventable Disease: Influenza. (Prevention UCfDCa ed., 13 edition. Washington, DC: Public Health Foundation; 2015.
 In Hebrew: 2017 ,“1999האגף לאפידמיולוגיה משרד הבריאות , “תדריך חיסונים . [Online]. Available: [Accessed: 12-June-2018]