There are no assurances in life. It may mean that to save millions in a pandemic, thousands could die from complications of the vaccine. We don't have the option of waiting decades, while we develop a vaccine without any complications, and even then, some will die from it. I doubt that the average citizen has the necessary knowledge and understanding to adequately judge the effectiveness and complications of a vaccine, regardless of the information, or misinformation, and paranoia on social media. Is there risk in getting the vaccine? Yes. Just as there's risk in not getting it. We have developed vaccines from all over the world, which have proved effective for covid 19., and millions have gotten the vaccines, and millions are still alive and well.