human guinea pigs... Africa’s first participation in a COVID-19 vaccine trial started Wednesday as nervous volunteers received injections, while officials said the continent of 1.3b people cannot be left behind. KEYWORDs: NERVOUS VOLUNTEER
human guinea pigs... Africa’s first participation in a COVID-19 vaccine trial started Wednesday as nervous volunteers received injections, while officials said the continent of 1.3b people cannot be left behind. KEYWORDs: NERVOUS VOLUNTEER
