A Chinese company will turn to Brazil for help. The World Health Organization (WHO) is adopting a strategy forged in a war zone during an Ebola outbreak. And the Trump administration plans to lean on existing infrastructure for testing HIV and flu vaccines. These are the disparate strategies about to be employed in the next and most important stage of the COVID-19 vaccine race: the large-scale, placebo-controlled, human trials needed to prove which of the more than 135 candidates are safe and effective.
Source: science.sciencemag.org