since the full city was put on a full covid lockdown. reported 11 new deaths and nearly 18,000 new cases, bringing the total to almost 450,000 cases. as china battles its biggest covid wave yet, their zero covid strategy is taking its biggest toll on residents and expats with no clear idea on when the lockdown will be lifted. reporter: test positive for covid-19 in shanghai, and chinese officials want you out of your home and sent to a government quarantine facility, assuming there s space. there s nowhere for them to send me. i m not allowed to go in the hospital, and i have to stay here. reporter: american josh vine taken in early april to a pop-up tent outside a shanghai hospital. this is supposed to be like a nice hospital, and this is where i m sleeping tonight. reporter: china s zero covid policy requires every positive case and close contact to be