If low- and mid-income countries such as Africa and Central America fail to raise their collective immunity levels sufficiently, it will have a negative impact on the economy, such as a decrease in export profits of high-income countries. This is because countries around the world are linked to each other by trade and investment, and the country that is expected to lose the most is expected to hit the U.S. with $50 billion a year, while Germany is expected to hit $30 billion a year as the second country to lose.

Korea is also expected to lose $9 billion a year, and it is analyzed that having an international cooperation system that can fairly inoculate the COVID-19 vaccine will eventually bring economic be