source https://www.cnn.com/2021/01/08/asia/asia-covid-vaccines-explainer-intl-hnk-scli-dst/index.html
What we know about Asia Pacific's Covid-19 vaccines
One year after the Covid-19 outbreak began, countries around the world are racing to secure and distribute vaccines to their citizens.
source https://www.cnn.com/2021/01/08/asia/asia-covid-vaccines-explainer-intl-hnk-scli-dst/index.html
source https://www.cnn.com/2021/01/08/asia/asia-covid-vaccines-explainer-intl-hnk-scli-dst/index.html