Among its arsenal of virus controls is disinfectant spraying, which a top Shanghai official earlier this month lauded as a key part of a 'grand assault' on the virus.
Disinfectant spraying is part of China's fight against Covid but experts say such efforts are largely useless against a virus that is spread by coughs and sneezesBEIJING - Leaving a fine mist of disinfectant in their wake, China's hazmat-clad health workers are cleaning homes, roads, parcels and even people -- but more than two years into the pandemic, experts say it is a futile measure against COVID-19.
Footage shows legions of"big whites" -- as health workers in hazmat suits are referred to in China -- spraying apartments with a virus-killing haze after their inhabitants have been taken into state quarantine. But such labour-intensive campaigns are relatively pointless against a virus that spreads through droplets expelled in coughs and sneezes into the air, experts told AFP.
The city has seethed for weeks under a shifting mosaic of lockdowns that have seen some of its 25 million residents scuffle with police and unleash a flood of fury and frustration on social mediaIn one social media video verified by AFP, a hazmat-suited health worker brandishing a powerful hose sprays clouds of disinfectant on a resident's bed, desk and clothes.
"The widespread use of some chemical disinfectants, such as chlorine disinfectant, could have harmful impacts on human health the environment."