🌐 bbc.co.uk
How do vaccinations work? - Keeping healthy: Video playlist - BBC Bitesize
Matt Green explains how vaccinations combat diseases caused by pathogens.
↗ https://www.bbc.co.uk/bitesize/topics/zk228p3/watch/z7n28p3Matt Green explains how vaccinations combat diseases caused by pathogens.
↗ https://www.bbc.co.uk/bitesize/topics/zk228p3/watch/z7n28p3