Diseases, Conditions, Syndromes

Is it safe to have surgery after COVID-19 infection?

It is now clear that the lingering effects of COVID-19 can affect your health in many ways—including how your body reacts to surgery. In this case, the changes are significant. A growing number of studies have shown a substantial ...

Vaccination

Will people really need a yearly COVID booster vaccine?

(HealthDay)—As the number of people fully immunized against COVID-19 rises into the hundreds of millions, immunologists and infectious disease experts now are pondering a new question in the unfolding pandemic.

Immunology

Improving bone marrow transplants in mice to help fight disease

To study the immune system in human health and disease, scientists commonly use the genetic manipulation of mouse hematopoietic stem and progenitor cells (HSPCs) as a powerful model system. These studies have been extremely ...

Diseases, Conditions, Syndromes

Fighting COVID-19 surge, South Africa increases restrictions

Confronted with a rapid surge of COVID-19 cases and hospitalizations, South Africa has returned to tighter restrictions on public gatherings and liquor sales, President Cyril Ramaphosa announced Tuesday night.