Why does Qatar have the highest per-capita infection rate?Qatar's health authorities are adamant that their high per-capita infection rate is down to one factor above all: testing.Almost 600,000 people have been tested for the novel coronavirus, over a fifth of the population."Because of our low threshold for testing, we have identified many more asymptomatic and mild cases of the virus than other countries," the chair of the National Strategic Group on COVID-19 Abdullatif al-Khal told AFP.But beyond that, Qatar has faced local outbreaks that spread fast because of its reliance on foreign labourers living in cramped, unsanitary conditions, as it transforms the country ahead of the 2022 World Cup.Antoine Flahault, co-director of the Swiss.