How the Delta variant upends assumptions about the virus

An elderly man gets inoculated with a dose of the Covishield vaccine against the COVID-19 at a drive-in vaccination facility in Mumbai on June 26, 2021. (PUNIT PARANJPE / AFP) The Delta variant is the fastest, fittest and most formidable version of the coronavirus that causes COVID-19 the world has...

Medical expert says UK flight ban is appropriate

An infectious disease expert on Tuesday said it was appropriate for the government to ban flights from the UK for the time being, given a rise in Covid-19 cases in the country involving the more infectious Delta variant. The flight suspension will take effect from July 1. Joseph Tsang from...

Tai Po man confirmed to have Delta variant

Health authorities have confirmed that a local Covid-19 patient has the highly contagious Delta variant of the virus. Officials say the genetic sequencing of the coronavirus found in a 27-year-old airport worker is identical to strains found in patients arriving from Indonesia. The man's infection was recorded on Thursday. The...

Expert welcomes extended quarantine for UK arrivals

Infectious disease expert Joseph Tsang on Friday welcomed reimposing a 21-day quarantine on UK arrivals, where the Delta variant is prevalent. “We have to closely observe those incoming travellers, we have to do repeated viral testing, including antibody testing for whoever is coming in to Hong Kong,” Tsang said. He...