Business Standard

Could one still be infectious after Covid isolation? What does data say

Data on the Omicron outbreak suggests rapid antigen tests (RATs) may not detect Covid until at least two days after exposure to the virus

covid deaths

The goal of COVID testing is to identify people who are currently transmitting the virus. (Photo: Bloomberg)

Vasso Apostolopoulos & Maja Husaric | The Conversation
If you are at home with COVID, you might be wondering how long you’re really infectious for. You don’t want to isolate longer than necessary but you also don’t want to risk your friends’ and workmates’ health – or vulnerable strangers for that matter.
In Australia, people with COVID are required to isolate for seven days, unless they have significant ongoing or new symptoms (then the fine print in state and territory rules says they should stay away for longer).
So, what’s the risk of leaving home after a week and still being infectious?
What does the research say about

Don't miss the most important news and views of the day. Get them on our Telegram channel

First Published: May 30 2022 | 11:31 AM IST

Explore News

To read the full story, subscribe to BS Premium now, at just Rs 249/ month.

Key stories on are available only to BS Premium subscribers.

Register to