US has 40% asymptomatic cases

WASHINGTON: Around 40 per cent of the confirmed coronavirus cases in the US were asymptomatic, according to the countr y's Centers for Disease Control and Prevention (CDC). The revelation was made on Sunday in the CDC's latest "COVID19 Pandemic Planning Scenarios" document, Xinhua news agency reported.

The document, which the agency said can be used to estimate the possible effects of COVID-19 in US states and localities, was first posted on May 20.

The latest update is based on data received by the CDC through June 29. The new percentage of infections that are asymptomatic, under the CDC's "current best estimate", is up from the 35 per cent the agency estimated on May 20.