Fourteen shut contacts of a shock New Zealand coronavirus case have returned detrimental assessments, as hypothesis mounts over doable unfold of COVID-19 via one of many nation’s quarantine resort’s air con methods.
The outcomes are nonetheless pending for 3 additional shut contacts of a 56-year-old lady who had remoted at Auckland’s Pullman Lodge after arriving in New Zealand from Europe on December 30.
One other returnee who stayed in a room close to to the girl has been confirmed because the supply, however the transmission route stays unknown.
The lady, who has visited 30 venues between Auckland and Whangarei, a metropolis 160 kilometres north of Auckland, has the South African variant of coronavirus.
Research have proven the South African mutant pressure has an elevated degree of transmissibility, presumably as excessive as 70 per cent extra.
New Zealand officers have confirmed the girl travelled to New Zealand through London and Singapore after travelling round Spain and the Netherlands final yr.
Some research have explored whether or not air con in indoor settings, notably with poor air flow, might improve transmission danger.
Typically, air flows from an air con vents can push common aerosols via the air and doubtlessly into different folks.
However to date there isn’t any clear proof concerning the extent to which aerosol transmission of COVID-19 causes an infection in different folks.