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Coronavirus Vaccine By Biotech Company Moderna Tests As 94.5% Effective In U.S. TrialModerna said Monday its shots provide strong protection and appears to be 94.5% effective, according to preliminary data from the company’s still ongoing study.

Johnson & Johnson Pauses COVID-19 Vaccine Trial Because Of 'Unexplained' Patient IllnessYet another COVID-19 vaccine trial has been paused. Johnson & Johnson put the brakes on their coronavirus vaccine study after a participant became ill.

COVID-19 Vaccine Expected By End Of The Year - But Not For EveryoneA COVID-19 vaccine could be available by November, but not for everyone, said CDC director Robert Redfield while testifying in front of a U.S. Senate subcommittee.