WSJ’s Daniela Hernandez explains T-cells’ role in Covid immunity and how they relate to antibodies. Illustration: Laura Kammermann Daniela Hernandez extends her health and science reporting to ...

With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, ...

“We were trying to leverage that to learn more about immunity ... called T cells also combat infection — but these drew less attention at first. Many clinical trials of COVID-19 vaccines ...

Higher levels of leukocytes -- a form of white blood cell -- are associated with more severe symptoms of long COVID among ...

The inhaled monoclonal antibody IN-006 shows promise in COVID-19 treatment, with high airway antibody levels and a favorable safety profile in healthy adults.

People with Covid are often exhausted. Some lose their sense of taste or smell. Covid can feel different every time you’re infected; symptoms don’t always ... If that test is negative, take ...

The test is based on a new understanding of what makes a durable vaccine response It looks for blood cells shed by cells ... malaria and COVID-19. The same signs of megakaryocyte activation ...

The findings could also offer insights into the potential and limits of alternative ways to create immunity ... blood cells vital for immune defense. In healthy individuals, mRNA COVID-19 vaccines ...

Even months after the initial diagnosis of Covid -- caused by the SARs-CoV-2 virus -- millions of people worldwide suffer from its ongoing effects. Cognitive impairment and fatigue are the most ...

The findings could also offer insights into the potential and limits of alternative ways to create immunity ... blood cells vital for immune defense. In healthy individuals, mRNA COVID-19 vaccines ...