Table 1. Recommendations for vaccination of adults and older adults in selected countries for 2015.

General recommendations for age groups are shown, while additional recommendations for specific risk groups, e.g. persons with underlying diseases, are not included here and can be found in the cited documents.

Country	USA	Germany	Austria	UK	Italy
Guideline	a	b	c	d	e
Influenza	annually	annually >60	annually, particularly >50	annually >65	annually for all adults, particularly >65
S. pneumoniae *	once >50, PCV13, after1 year PPV23	once >60 PPV23	once >50 PCV13, after 1 year PPV23	once >65 PPV23	once >65 PCV13, followed by PPV23
Herpes zoster	once >60	-	once >50	once >70	once >60
Diphtheria§	every 10 years	every 10 years	every 10 years, >60 every 5 years	-	every 10 years
Tetanus§	every 10 years	every 10 years	every 10 years, >60 every 5 years	-	every 10 years
Pertussis (acellular)§	once during adulthood	once during adulthood	every 10 years, >60 every 5 years	-	every 10 years
Polio (inactivated)§	-	-	every 10 years, >60 every 5 years	-

^*for persons without prior vaccination with PCV13 or PPV23.

^§for persons with adequate primary vaccination earlier in life

^aRecommended Adult Immunization Schedule United States. 2015 http://www.cdc.gov/vaccines/schedules/downloads/adult/adult-schedule.pdf. Accessed 15-1-2016

^bEmpfehlungen der Ständigen Impfkommision (STIKO) am Robert-Koch-Institut. 2015 http://www.rki.de/DE/Content/Infekt/EpidBull/Archiv/2015/Ausgaben/34_15.pdf?__blob=publicationFile. Accessed 15-1-2016

^cImpfplan Österreich. 2015 http://bmg.gv.at/cms/home/attachments/8/9/4/CH1100/CMS1389365860013/impfplan.pdf. Accessed 15-1-2016

^dComplete Immunisation Schedule UK. 2015 https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/473570/9406_PHE_2015_Complete_Immunisation_Schedule_A4_21.pdf. Accessed 15-1-2016

^ePiano Nazionale Prevenzione Vaccinale. 2015 http://www.quotidianosanita.it/allegati/allegato1955037.pdf. Accessed 15-1-2016