The Lancet Infectious Diseases" journal Friday.Researchers studied 621 symptomatic COVID-19 patients from September 2020 to September 2021.
The results showed that those who were vaccinated had a similar viral load of the delta variant as those who were unvaccinated.
It also found that 25% of vaccinated households contracted the coronavirus compared to 38% of unvaccinated households. RELATED: Jon Bon Jovi tests positive for breakthrough COVID-19 case, is 'feeling fine'"Our findings help to explain how and why the delta variant is being transmitted so effectively in populations with high vaccine coverage," the study’s authors pointed out.