Medellin-based multinational health-care and insurance giant Grupo Sura announced June 29 that it’s investing US$54 million in biotech researcher VaxThera in a project aiming to produce Covid-19 vaccines in Colombia by 2023. “VaxThera advances the development of vaccines such as Coronavirus, dengue, Chikungunya, yellow fever, influenza and Zika,” according to Sura. A new,