Diseases, Conditions, Syndromes

Brazilian study says Sinovac COVID-19 jab 78% effective

A vaccine candidate made by China's Sinovac is 78% effective in protecting against COVID-19, according to results of a study announced Thursday by Brazilian state health officials seeking federal approval of the shot.

Vaccination

German care home workers given five times vaccine dose

Eight care home workers in Germany were accidentally injected with five doses of the COVID-19 vaccine, local authorities said Monday—but are suffering no serious ill effects so far.

Vaccination

Rare vaccine injury claims steered to obscure federal office

Though most people who protect themselves with a coronavirus vaccine will never develop serious side effects, such rare cases are barred from federal court and instead steered to an obscure program with a record of seldom ...