Axis 1 Keywords

influenza vaccin*; influenza immuni*; herpes zoster vaccin*; herpes zoster immuni*; shingles vaccin*; shingles immuni*; covid* vaccin*; covid* immuni*; pneumococc* vaccin*; pneumococc* immuni*

Axis 2 Keywords

text messag*; cell phone messag*; mobile phone messag*; cell phone; telephone; SMS messag*; MMS messag*; information technology; email*; application*; phone call*; reminder systems; social network*; social media; communications media; reminder*; recall*

Axis 3 Keywords

aged; elderly; older adult*; senior

Axis 4 Keywords

vaccination; vaccin* uptake; vaccin* coverage; vaccin* rate*; immunisation coverage; immunisation rate; vaccination hesitancy; vaccination refusal

Limits

The search strategy was limited to papers published between 1 January 2000, and 10 November 2022, human study populations and English language