The effectiveness of COVID-19 vaccines in reducing the incidence, hospitalization, and mortality from COVID-19: A systematic review and meta-analysis. Effectiveness of COVID-19 vaccination against COVID-19 specific and all-cause mortality in older Australians: a population based study. Jain, S. S. et al. Domen, J. et al. Scholkmann, F. & May, C. A. COVID-19, post-acute COVID-19 syndrome (PACS, long COVID) and post-COVID-19 vaccination syndrome (PCVS, post-COVIDvac-syndrome): Similarities and differences.
Source: The Guardian March 14, 2026 11:51 UTC