Jerusalem is preparing to launch a coordinated, nationwide testing campaign to determine the population’s readiness for a possible second wave of COVID-19, the government’s top health official has announced. In an interview with The New York Times, Health Ministry director general Moshe Bar Siman-Tov said that 100,000 serological tests, obtained from firms in the United States and Italy for almost $40 million, were being prepared for use by health clinics across the country in the coming weeks.