Zambia: Moving Forward the Science of Covid-19 Vaccine Effectiveness in Africa

Brazzaville — Thousands of clinical trials conducted in different parts of the world have shown that COVID-19 vaccines are safe and efficacious. So why do we continue to study the performance of these vaccines – such as a recent one done in Zambia – if we already know this?

“COVID-19 vaccines were tested in controlled clinical settings where there were very strict rules for enrolling participants in the studies. So it is important for us to study how these vaccines perform in the real world….