Mass vaccination campaigns are being rolled out around the globe.
Governments around the world are looking for ways to contain the spread of COVID-19.
Pfizer-BioNTech, Oxford-AstraZeneca, Sputnik V, and Sinopharm are among the authorized vaccines being distributed around the world.
But Russia, India, and China have been criticized for rushing their vaccine approval processes.
Business Insider reports some people remain skeptical about getting inoculated.
Wealthier nations have expanded their immunization efforts.
Many developing countries are struggling with the pandemic are still waiting for their shots.
