The South Korean government said Tuesday that it will buy coronavirus vaccines for up to 44 million people, or nearly 90 percent of the country's population.The vaccines will be purchased from Britain's AstraZeneca Plc and through a global vaccine project known as COVAX that is designed to guarantee equitable access to COVID-19 vaccines.The government originally planned to buy vaccines for about 30 million people but will increase the amount because of uncertainties about the effectiveness of vaccines still under development and due to global competition for vaccines, Health and Welfare Min…READ FULL ARTICLE