Public Health

Scientists find why Delta variant is so contagious

The delta variant of SARS-CoV-2 has swept the planet, becoming the dominant variant within just a few months. In a new study from Boston Children's...

Scientists develop new COVID vaccine for people with weak immune systems

In a new study from the University of Tuebingen, researchers created a new COVID vaccine that can induce an immune response through white blood...

Common gout drug cannot reduce severe COVID-19 or death

In a new study, researchers found colchicine, a cheap anti-inflammatory drug normally used to treat gout, doesn't lessen COVID-19 severity or stave off the...

What happens to our immune systems when we get a booster?

Questions about COVID-19 vaccine boosters—like who is eligible and how to choose one—have dominated scientific discussions, news headlines, and dinner-table conversations recently, but the...

What are the links between COVID-19, brain harm and dementia risk?

Headaches, brain fog and that peculiar inability to smell or taste things. By now most people know these symptoms as a few of the...

This finding may lead to new COVID-19 vaccines

In a new study from UCL Infection & Immunity, researchers found next-generation vaccines for COVID-19 should aim to induce an immune response against 'replication...

Testing positive for COVID-19 linked to fatigue, mental illness, and sleep problems

In a new study from The University of Manchester, researchers found those who tested positive for COVID-19 (confirmed by a PCR test) had an...

Safe Thanksgiving playbook as new COVID surge expected

As the U.S. braces for a new surge of COVID-19 cases expected to start hitting around Thanksgiving, Northwestern Medicine experts offer a playbook to...

COVID-19: The older you are, the more antibodies you have

With the emergence of SARS-CoV-2 variants worldwide, the pandemic's spread is accelerating. In a new study from Université de Montréal, researchers found that those who...

COVID patients on this depression drug are less likely to die

In a new study from UC San Francisco, researchers found that people taking a class of antidepressants called selective serotonin reuptake inhibitors (SSRIs), particularly...