A study released in The Lancet Respiratory Medicine by Providence, one of the largest health systems in the United States, confirms the overall effectiveness of vaccines in preventing severe infection resulting in hospitalization from Covid-19, but also shows a substantial decline in protection after six months.
Study finds waning protection of COVID-19 vaccines after six months
A study released in The Lancet Respiratory Medicine by Providence, one of the largest health systems in the United States, confirms the overall effectiveness of vaccines in preventing severe infection resulting in hospitalization from Covid-19, but also shows a substantial decline in protection after six months.