Covid-19: China turns focus to 'silent carriers'

Masked people practising social distancing in Wuhan, Hubei province, yesterday. A study shows that up to 86 per cent of infections in China had gone undetected in the weeks leading up to the lockdown in Wuhan, the epicentre of the outbreak on Jan 23. - Reuters

BEIJING (The Straits Times/ANN): Asymptomatic cases have become the latest focus in China's continuing fight against the spread of the coronavirus, as fears grow over the emergence of such transmission in the past few days.

As travel restrictions ease around the country and people return to work, there are nagging worries over a second wave of infection.