LONDON - Fully vaccinated people are half as likely to be infected with the novel coronavirus than those who have not been vaccinated, according to a new study published Wednesday.
Researchers at Imperial College London analyzed data from more than 98,000 swab tests taken between June 24 and July 12. The 37-page study showed participants who reported being vaccinated were at substantially reduced risk of testing positive for COVID-19 compared with those who reported not being vaccinated.
According to the study, swab positivity for COVID-19 among unvaccinated individuals was three times greater for all ages compared to those reporting two doses of the vaccine."Our estimate of vaccine effectiveness against all SARS-CoV-2 infections for two.