What is the common source of infection for Changi Airport cluster cases?

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Common Source of Infection Identified for Changi Airport Cluster Cases

Some airport workers at Changi Airport Terminal 3, who were among the initial positive cases in the emerging airport cluster, are likely to have contracted the virus from a single source. Investigations have pointed towards the B1617 strain of the coronavirus, which was first identified in India. Preliminary findings suggest that the initial transmission event may have involved an airport worker assisting a family arriving from South Asia on April 29.
Link to Arriving Travellers

The family members who were assisted by the airport worker were subsequently confirmed to have contracted the coronavirus. Their positive results were identified during their on-arrival testing procedures. This connection suggests a potential pathway for the virus to enter the airport environment through interactions with international travellers.
B1617 Strain Identified

Genetic sequencing of the positive cases within this initial group of airport workers has indicated the presence of the B1617 variant of the coronavirus. This particular strain, first detected in India, has been a subject of concern globally due to its transmissibility. The identification of this strain provides a specific biological link among the affected individuals.
Ongoing Investigations and Precautionary Measures

The Civil Aviation Authority of Singapore (CAAS) and the Changi Airport Group (CAG) have stated that further investigations are being conducted by the Ministry of Health (MOH) and CAAS. As a precautionary measure, Changi Airport's passenger terminal buildings and the Jewel complex will remain closed to the public until June 13, extending beyond their original closure date of May 27. These areas are undergoing extensive testing of approximately 19,000 frontline and office workers.

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What is the common source of infection for Changi Airport cluster cases?

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