U.S. regulators authorized emergency use of the first experimental antibody drug for Covid-19 in patients who are not hospitalized but are at risk of serious illness because of their age or other conditions.

In a Reuters roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for Covid-19, common cold antibodies yield clues to Covid-19 behavior.

Johnson & Johnson plans to start testing the company’s experimental Covid-19 vaccine in youths aged 12 to 18 as soon as possible, a company executive said at a meeting held by the U.S. Centers for Disease Control and Prevention (CDC).

In a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for Covid-19, a new study may help identify which Covid-19 patients with signs of heart injury are at higher risk for death.

Days after the U.S. Food and Drug Administration greenlit the restart of AstraZeneca’s Phase III Covid-19 vaccine trial, the U.K.-based company said the preventative medication boosts immune responses in older and younger adults against the novel coronavirus.

Alnylam Pharmaceuticals presented complete results from the company’s ILLUMINATE-B Phase III study in children under 6 years with primary hyperoxaluria type 1 (PH1), a rare disorder affecting the kidneys.

The U.S. Food and Drug Administration granted Roche’s Venclexta (venetoclax) full approval in combination with azacytidine, or decitabine, or low-dose cytarabine for newly diagnosed acute myeloid leukemia in adults 75 years or older.

Pfizer and Opko Health reported their Phase III clinical trial of somatrogan met the primary endpoint compared to Genotropin (somatropin) for treating children 3 to 18 years of age with growth hormone deficiency (GHD).

Results from an early safety study of Moderna Inc.’s coronavirus vaccine candidate in older adults showed that it produced virus-neutralizing antibodies at levels similar to those seen in younger adults, with side effects roughly on par with high-dose flu shots, researchers said.

Researchers from Aarhus University in Denmark published research indicating that Parkinson’s disease is actually two types of the disease.