Strong Support
causal
The newer shingles vaccine, Shingrix, is more effective at preventing shingles than the older vaccine, Zostavax, reducing cases by about 85% compared to Zostavax and 94% compared to no vaccine, but...
39
0
Evidence from Studies
Supporting (1)
39
Community contributions welcome
39
Efficacy, effectiveness, and safety of herpes zoster vaccines in adults aged 50 and older: systematic review and network meta-analysis
Systematic Review With Meta-Analysis
2018 Oct 25Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.