Viral disease

Study suggests undetected cases help speed COVID-19 spread

A modeling study looking at more than 32,000 confirmed coronavirus cases in Wuhan, China, offers fresh insights into features of the virus, including ease of transmission, effectiveness of nonpharmaceutical interventions such as social distancing and face masks, and the impact that undetected cases have on the spread of the disease.

Experimental COVID-19 vaccine safe, generates immune response

An investigational vaccine, mRNA-1273, designed to protect against SARS-CoV-2, the virus that causes coronavirus disease 2019 (COVID-19), was generally well tolerated and prompted neutralizing antibody activity in healthy adults, according to interim results published online today in The New England Journal of Medicine.

Tears In our Land

The angry group of boys is defiant, claiming the victim was not suffering from Ebola. He was an older man in his 70s and was recently ill, and the boys, wary of the spates of deaths and the information they are getting about the burial processes of Ebola victims, are angry and desperate.