An Austrian doctor who was targeted by anti-vaxxers for her public advocacy in favor of the Covid-19 vaccines has committed suicide. The body of Lisa-Maria Kellermayr, who was often quoted in the media about the pandemic and the importance of vaccines, was found at her office in rural northern Austria on Friday, according to Austrian media reports. Officials said she left a suicide note but did not reveal its contents. Kelllmayr had been the target of death threats from anti-vaccination activists. Austrian President Alexander Van der Bellen praised the doctor as a great healer and called out those who had...