Coronavirus Hong Kong: top government advisers join study on effects of third vaccine jab

Several top advisers to Hong Kong’s leader have joined a study examining how people fully inoculated against Covid-19 respond to a third dose.The antibody levels in some participants were almost non-existent more than half a year after they received their initial jabs, but one leading medical expert said on Friday that any booster shot programme should prioritise the immunocompromised and elderly.The city also confirmed three new cases, all imported and involving arrivals from Qatar, Germany…