or irregularities are benign so do not panic stay safe and be aware the article has been authored by dr sanjeev kanoria founder suasth hospital the citys port and some major industries such as car plants continue to operateinternational events in the city have been canceled and three out of five foreign companies with operations in shanghai say they have cut this years sales forecasts according to a survey conducted last week by the american chamber of commerce onethird of the 120 companies that responded to the survey said they have delayed investmentsdespite those concerns and growing public frustration china says it is sticking to its hardline zerotolerance approach mandating lockdowns mass testing and the compulsory isolation of all suspected cases and close contacts