claim: abu dhabi health chief volunteers to be any patient to test covid-19 vaccine
evidence_1: the chairman of the department of health abu dhabi, sheikh abdullah bin mohammed al hamed, volunteered as the first patient to test the inactive vaccine, which contains a killed version of the germ that causes covid-19.", "the chairman of the department of health abu dhabi, sheikh abdullah bin mohammed al hamed, volunteered as the first patient to test the inactive vaccine, which contains a killed version of the germ that causes covid-19, last month.")