After stating that asymptomatic individuals are unlikely to transmit the novel coronavirus, World Health Organization officials clarify that this is very much an open question.

A paper published in The Lancet reported that hospitalized COVID-19 patients taking the drug had a higher risk of death, although some researchers have raised questions about the data.

President Donald Trump claims the World Health Organization failed to investigate early reports of the coronavirus, while public health experts argue that stripping the agency of its funding endangers us all.

The recent cases come just as Democratic Republic of Congo was set to declare the outbreak’s end.

The World Health Organization warns that a lack of data on how many people have the disease could undermine containment and mitigation efforts in many countries.

The study, conducted in Malawi, Kenya, and Ghana, did not obtain informed consent from each parent whose child participated, but rather considered consent “implied” because of the particular experimental design.

The virus, which has sickened at least 59 people, does not appear to transmit easily between humans.

Tested in patients with the latent form of tuberculosis, the vaccine prevented the development of the active form of infection in 50 percent more individuals compared with unvaccinated patients.

An early-stage, blood-based assay shows potential as a method for sorting patients with suspected TB from those with other respiratory illnesses.