A fresh outbreak of Covid-19 in southern China is placing upward pressure on container freight rates in an already stressed market.

Several liner operators are omitting sailings due to the evolving congestion and disruption in and around the Port of Shenzhen.

AP Moller-Maersk is diverting up to 40 boxships from ports in the region as the Covid-19 outbreak worsens there.

It said it is taking action due to disruption at terminals in Yantian, Shekou and Nansha.