Vaccines protect the body from infectious diseases. Despite the large number of pathogens that exist, only a few vaccines have been developed. Ensuring the safety and effectiveness of vaccines is very difficult. We look at the history of vaccines, as well as how they are made and how they prevent disease. The COVID-19 vaccine that's closest to completion is a new type. Experts offer their input on its safety and effectiveness.
This vaccine caused a serious incident in 1955
A vaccine expert says, "Japan can compete not in speed, but in quality"
A genetic vaccine researcher says, "Haste makes waste"
What are our choices when it comes to co-existing with the new coronavirus?