After a stressful year working as a doctor at Kenya's largest public hospital in the midst of the COVID-19 pandemic, Ngala Mwendwa got his first dose of the AstraZeneca (AZN.L) vaccine in March and breathed a sigh of relief.
The Indian-manufactured shot was supplied by COVAX, a global vaccine initiative that's been a lifeline for poor African nations. But with India now engulfed in its own crisis, Mwendwa has no idea when he will get his second dose.