Tonga’s government on Tuesday announced a nationwide lockdown after two community cases of COVID-19 were discovered in the Pacific island nation, which is still recovering from last month’s volcano eruption and tsunami. The two cases were detected after the Health Ministry tested 50 workers at the port of the capital Nuku’alofa, where humanitarian relief had been transported from around the world since the eruption, Tonga’s Prime Minister Siaosi Sovaleni said. “We have not yet identified the ship because a number of ships had arrived, and we have not been able to identify which,” Sovaleni said in a press conference, Matangi Tonga Online reported. Tonga’s Health Minister Saia Piukala said the two workers, who were fully vaccinated, tested positive for the virus last week but were asymptomatic. Both the infected workers and their family members have been quarantined. Authorities declined to reveal the identities of the infected workers to prevent them …