The government has described the Arogya Setu App as the most important weapon to fight the corona virus. The Arogya Setu app was downloaded by more than 40 million people in the first week. Arogya Setu App is a contact tracing app. Not only India, but many countries are taking help of such apps to trace the corona virus infection.
According to a report, 60 percent of the world's population suffering from corona is using such an app.Smart wristbands are also being used to track people who have been quarantined in many countries. The question is how do contact tracing apps like Arogya Setu work? Let's understand it in detail ...

How do contact tracing apps work?
Contact tracing is based on app location and Bluetooth. Bluetooth-based apps investigate social distancing, as Bluetooth has a range of up to 10 meters and the government has set a distance of six meters for social distancing, while in many research it has also been referred to as eight meters. Bluetooth based apps alert people when they come in contact with anyone in the range of 10 meters.

Talking about location based apps, if your phone has such apps and you go to a corona infected area then the app will alert you.

How Arogya Setu App Works?
Now talk about the Arogya Setu App of the Government of India, this app was launched by the Government of India on April 2 and by April 18, its number of users had crossed 6.5 million. This app is available for both Android and iOS devices. Arogya Setu App is a location based app. Let us try to understand the working of Arogya Setu App with an example.

• Swati, Neha, Rohan Kaka, Karthik and Vishnu have downloaded the Arogya Setu app on their phones.
• Swati goes to the market to get some goods. During this, he meets Neha, Rohan Kaka and Karthik.
• The location of these three people is saved in the Arogya Setu app.
• A few days later, Swati's corona test comes back positive.
• Soon after the test report comes, the Arogya app tracks all those who have come in contact with Swati in the last 14 days i.e. Arogya Setu app will track Neha, Rohan Kaka and Karthik.
• After this Arogya Setu app will also send an alert about Swati's corona test on Neha, Rohan Kaka and Karthik's phone.
• After this, all the places where Swati has gone for the last 14 days will be sanitized.
• All those who have come in contact with him will be investigated and quarantined.
• Let us know that the Arogya Setu App Corona stores the location of suspected users for 30 days, while the data of the non-riskers and the data of the riskers is deleted after 60 days.