coronavirus vaccine more than '90 % effective ' in preventing disease , study finds
coronavirus vaccine more than '90 % effective ' in preventing disease , study finds
a more than 90% effective coronavirus vaccine would be roughly on par with one dose of a measles vaccination, which is about 93% effective, according to the centers for disease control and prevention.", "the company said that the analysis found that the vaccine was more than 90 percent effective in preventing the disease among trial volunteers who had no evidence of prior coronavirus infection.", "the news comes a week after pfizer and biontech said their vaccine was more than 90% effective.")