Yesterday, MOH designated four new clusters with three cases each.
The first one involved the ITE student, whose infection has been linked to that of a Singaporean man, 53, who works as a personal chauffeur. He was confirmed to have the infection on May 14.
The third person in this cluster is a 36-year-old foreign domestic worker who tested positive on May 16.
The second new cluster includes the two-year-old boy whose infection has been linked to that of a 35-year-old sales worker at biopharmaceutical company Sanofi-Aventis, who was confirmed infected on May 15. The third person in this cluster is a foreign domestic worker.