Kofi Smiles - Caller John tells us why he'll take part in the vaccine mix and match trial - ÃÛÑ¿´«Ã½ Sounds

Kofi Smiles - Caller John tells us why he'll take part in the vaccine mix and match trial - ÃÛÑ¿´«Ã½ Sounds
Caller John tells us why he'll take part in the vaccine mix and match trial
A trial looking at whether vaccines can be mixed for 1st and 2nd doses is being expanded