Numerous studies worldwide have demonstrated the benefits of COVID-19 vaccines. Here are some key findings:Effectiveness Against Severe Disease: Research from various countries, including the U.S., Israel, and the UK, has shown that vaccines significantly reduce the risk of severe illness and hospitalisation. For example, a study in Israel found that the Pfizer-BioNTech vaccine was about 95% effective in preventing severe disease.Population Studies: Large-scale studies, such as those conducted by the CDC in the U.S. and Public Health England, have shown that vaccinated individuals have a much lower risk of hospitalisation and death compared to unvaccinated individuals.Real-World Effectiveness: Studies conducted during vaccine rollouts in countries like the UK and Chile demonstrated that vaccination led to rapid declines in COVID-19 cases, hospitalisations, and deaths, correlating with high vaccination rates.Vaccine Impact on Transmission: Research has indicated that vaccinated individuals are less likely to transmit the virus, contributing to overall community protection.Longitudinal Studies: Ongoing studies continue to track the long-term effects and effectiveness of vaccines, showing sustained protection against severe disease even with variants.Global Vaccination Campaigns: Initiatives like COVAX have highlighted the importance of equitable vaccine distribution, showing that regions with higher vaccination rates have better health outcomes.These findings, among many others, support the conclusion that COVID-19 vaccines have played a critical role in managing the pandemic and reducing its impact on public health.
Jeremy Parkinson ● 33d