Why population immunity is not a realistic goal in Africa’s bid to control COVID-19
The threshold for reaching population immunity depends on many factors. One is the effectiveness of the vaccine. Another is how many people get …
What’s behind the worldwide shortage of cholera vaccines? For starters, they’re only made by one company
Oral cholera vaccine stockpiles ran dry at the beginning of 2024
Cholera: Vaccines can stop spread, but biggest deterrent is clean water
Vaccinologists Edina Amponsah-Dacosta and Julie Copelyn speak about cholera vaccine and other ways to curb outbreaks in countries like South Africa