COVID-19 vaccines are making their way around the world, but global immunity is still far off

COVID-19 vaccines are making their way around the world, but global immunity is still far off

Mass vaccination campaigns are being rolled out around the world as governments look for ways to contain the spread of COVID-19.

Pfizer-BioNTech, Oxford-AstraZeneca, Sputnik V, and Sinopharm are among the authorized vaccines being distributed in multiple countries.

But Russia, India, and China have been criticized for rushing their vaccine approval processes, and some people remain skeptical about getting inoculated.

As wealthier nations expand their immunization efforts, many developing countries struggling with the pandemic are still waiting for their shots.

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Mobile freezers brought onto boats and carried by motorbikes “” this is what it takes to deliver measles and Ebola vaccines to remote parts of Congo. 

The efforts were essential to control those outbreaks, and they can teach us lessons on how to bring the new COVID-19 vaccines to billions of people living in isolated areas of the world. 

"There's lots of rivers, there's lots of jungles, there's mountains, and there's very few paved roads," said John Johnson, an emergency coordinator with Doctors Without Borders.

But delivery of coronavirus shots to these places is still months, if not years, away. Despite record levels of infections, many developing countries can't afford to secure vaccines right now and will have to wait