Only 16% of Australians had downloaded the country's COVIDSafe app by May 3, a week after its launch on April 26, even though most said they support the federal government's coronavirus contact tracing app. In an Ipsos poll, 80% of those who said they were unlikely to download the app cited privacy concerns such as who holds and has access to the data, and which country's law applies. The government has said its goal is for at least half of the population to download and install the app.…