【明報專訊】The Delta variant of the COVID-19 virus has spread globally. There have been confirmed cases in many mainland provinces, while a family of four in Macao have also been diagnosed with the variant. The Macao authorities have urgently launched a mass testing exercise. Meanwhile, the Hong Kong government has announced that Return2hk, a travel scheme for Hong Kong residents returning from the mainland or Macao without being subject to quarantine, has been suspended except for arrivals returning from Guangdong Province.