COVID-19 vaccine May 6, 2021 7:04 pm New Study Shows COVID-19 Likely Remains Risk for Certain Segment of Population A new study from doctors at Johns Hopkins found found COVID-19 likely remains a risk for organ transplant recipients, even after two doses of the mRNA vaccines. US & World Videos 1:50 Boston student protesters face new warnings 2:30 Police shoot and kill armed man in Raynham, authorities say 1:58 Bruins fans disappointed by overtime loss in Game 5 2:02 Protesters at local campuses look on as dozens detained at Columbia 20:20 Karen Read murder trial: What we've gleaned from police testimony