Japan may get herd immunity for COVID-19 by mid-Oct.: study

Japan may achieve herd immunity against the novel coronavirus by mid-October at the earliest thanks to a recent acceleration in the country's inoculation drive, Nomura Securities Co. said in a research report released Thursday. Analysts at Japan's biggest brokerage said that reaching COVID-19 herd immunity, whereby at least 70 percent of the population is immune to the disease, is possible by the week of Oct. 18, about two months earlier than their previous estimate. Nomura revised the outlook after the government reached its target of administering 1 million vaccine doses per day about a mont...