Factory workers at industrial parks in the northern provinces of Bắc Giang and Bắc Ninh must get priority for vaccination, said Prime Minister Phạm Minh Chính on Wednesday.

Việt Nam’s domestically developed COVID-19 vaccine, Nano Covax, willbegin Phase 3 of clinical trials in June involving up to 13,000 volunteers.

On Tuesday evening, the Ministry of Health announced a record of 243 locally infected cases in Bắc Giang, bringing the total number of cases in the northern province on the day to 375 cases.