In this activity students consider the design of clinical trials to test the effectiveness of pneumococcal vaccines for community protection in The Gambia, and interpret results from the original research trials.
The World Health Organisation estimates that 800 000 children die from diseases caused by pneumococcal bacteria. There are over 90 different types of the pneumococcus bacterium so the vaccines being developed must target a combination of the most harmful, and must be effective in different parts of the globe.
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