COVID-19 is most transmissible 2 days before, 3 days after symptoms appear, study finds

COVID-19 is very contagious. That much isn’t up for debate. However, the exact period when infected individuals are at their most contagious has remained unclear. Now, a new study is shedding some much-needed light on the matter. Boston University researchers report COVID-19 positive individuals are at their most contagious two days before and three days … Continued

For Boston University behavioral scientist Nina Mazar, getting the chance to influence real-world change is the driving force behind her research: What inspires people to change their habits? How do people make personal and financial decisions, big and small? “We want to see if the types of interventions we come up with can change behavior … Continued

On Wednesday, Boston University’s Center for Emerging Infectious Diseases Policy & Research (CEID) convened a panel of experts to provide a briefing on the pitfalls that have so far prevented coronavirus vaccines from reaching the world’s most vulnerable populations, and what challenges lie ahead in pursuit of the goal for 40 percent of the world … Continued

In a peer-reviewed piece, 24 researchers argue it’s time for new policies that promote strong mentorship, diversity, and equity amongst scientific workforce.

A new study looking at the way human cells activate the immune system in response to SARS-CoV-2 infection could open the door to even more effective and powerful vaccines against the coronavirus and its rapidly emerging variants keeping the global pandemic smoldering.

The first-floor classroom is empty inside the Boston University School of Medicine on a gray and chilly May morning in the South End. The whiteboard is marked up from earlier instruction and the only sound is the hum of fluorescent lights overhead. With an audience of one, and from behind her blue mask, Nahid Bhadelia … Continued

As pandemic lockdowns went into effect in March 2020 and millions of Americans began working from home rather than commuting to offices, heavy traffic in America’s most congested urban centers—like Boston—suddenly ceased to exist. Soon afterwards, the air was noticeably cleaner. But that wasn’t the only effect. A team of Boston University biologists who study … Continued

How could studying gastrointestinal cells help the fight against COVD-19, which is a respiratory disease? According to a team led by Gustavo Mostoslavsky, MD, Ph.D., at the BU/BMC Center for Regenerative Medicine (CReM) and Elke Mühlberger, Ph.D., from the National Emerging Infectious Diseases Laboratories (NEIDL) at Boston University, testing how SARS-CoV-2 affects the gut can … Continued

In this Q&A, a Boston University vaccine researcher says it′s the right course, but that the vaccine′s benefits “without doubt outweigh the risks.”