Why is the way we are conducting the Codvid19 vaccine trials important?

Why is the way we are conducting the Codvid19 vaccine trials important? The recent outbreak has brought out the dark side of medical research, which many times it infringes on basic human rights. Given, the Health risk associated with clinical trials researches tent to seek the most vulnerable Additionally, an insight into the recent outbreak of Covid-19, there have been calls for vaccine research and distribution. It brings out the grim side of medical research, which many times it infringes on basic human rights.