Although vaccines are highly effective in preventing COVID-19, scientists still need to identify better treatments for the disease. Some scientists are investigating whether llama-derived antibodies...

Many questions persist about immunity against SARS-CoV-2, especially the Delta variant. Researchers in Israel have compared the natural immunity acquired from infection and vaccination-acquired immunity. Natural...

According to a new editorial, vaccine hesitancy could seriously threaten efforts to stop the pandemic. The editorial blames vaccine hesitancy on the controversy, misinformation, a lack of confidence...

Research suggests that a first infection with SARS-CoV-2 provides only 47% protection against a second infection for those aged 65 years and over, compared with 80% protection across all age groups. These...

Multiple sclerosis (MS) causes a wide range of symptoms involving the brain, optic nerves, and spinal cord. Research is only just beginning to reveal who is at risk and what causes the condition. MS is...

Currently, in various areas of the world, 13 COVID-19 vaccines have been authorized for use. In this feature, we look at the types and their reported side effects. As the global effort to produce vaccines...

Our immune systems are primed to fight off viruses. As evidence about how our bodies react to SARS-CoV-2 emerges, we look at how different immune cells work together to fend off the new coronavirus, and...

An antibody that scientists first identified in a blood sample from a person who recovered from severe acute respiratory syndrome (SARS) strongly inhibits the virus that causes COVID-19. The scientists...

At Medical News Today, we have been looking at how scientific advances are providing much-needed hope during the COVID-19 pandemic. This Special Feature discusses the recent progress of vaccine clinical...