Intentions pure: Pune school issues diktat on girl students' innerwear colour'

Washington, Jul 1: The United States has approved four coronavirus vaccine candidates for clinical trials, Food and Drug Administration (FDA) head Stephen Hahn told reporters.

"Four vaccines have been approved for moving into clinical trials... and another six are in the pipeline for us to review," Hahn said during a press briefing on Tuesday.

The US Administration launched in May Operation Warp Speed, a joint project of Health and Defense Departments, which aims to deliver 300 million doses of a vaccine for COVID-19 by January 2021.

The country's top pandemics expert Anthony Fauci warned on Tuesday, however, that there is no certainty the United States will be able to develop a vaccine against COVID-19 that works and will be safe.

Data on vaccine effectiveness, he added, may be available in the winter or early next year.

New Delhi, May 6: The government on Wednesday said no data or security breach has been identified in Aarogya Setu after an ethical hacker raised concerns about a potential security issue in the app.

The app is the government's mobile application for contact tracing and disseminating medical advisories to users in order to contain the spread of coronavirus.

On Tuesday, a French hacker and cyber security expert Elliot Alderson had claimed that "a security issue has been found" in the app and that "privacy of 90 million Indians is at stake".

Dismissing the claims, the government said "no personal information of any user has been proven to be at risk by this ethical hacker".

"We are continuously testing and upgrading our systems. Team Aarogya Setu assures everyone that no data or security breach has been identified," the government said through the app’s Twitter handle.

The tweet gave point-by-point clarification on the red flags raised by the hacker.

"We discussed with the hacker and were made aware of the following... the app fetches user location on a few occasions," it said, but added that this was by design and is clearly detailed in the privacy policy.

The app fetches users’ location and stores on the server in a secure, encrypted, anonymised manner - at the time of registration, at the time of self assessment, when users submit their contact tracing data voluntary through the app or when it fetches the contact tracing data of users after they have turned COVID-19 positive, it said.

On another issue that users can get COVID-19 stats displayed on the home screen by changing the radius and latitude-longitude using a script, Aarogya Setu said that all this information is already public for all locations and hence does not compromise on any personal or sensitive data.

"We thank the ethical hacker on engaging with us. We encourage any users who identify a vulnerability to inform us immediately...," it said.

Responding to Aarogya Setu's clarification, Alderson tweeted, "I will come back to you tomorrow".