Potential HIV vaccine utilizing same mRNA technology as COVID-19 vaccine shows promise in early human trial
2 new studies find UK B.1.1.7 coronavirus variant more transmissible, but not linked to COVID-19 severity
7-day average of daily COVID-19 cases in US above 70,000 as states reopen, life resumes amid ongoing pandemic
Johnson & Johnson pauses COVID-19 vaccine trial after US recommends investigation of rare clotting reports