Shares on the Australian market closed little changed after investors seemed more worried by coronavirus outbreaks in Australia and abroad than US politicians striking a deal on economic stimulus.

The S&P/ASX200 benchmark index closed lower by 5.6 points, or 0.08 per cent, to 6669.9 on Monday.

The All Ordinaries lost 4.1 points, or 0.06 per cent, to 6920.0.

Most sectors closed lower. Utilities lost 2.21 per cent.

The materials sector gained 1.43 per cent.

The number of people infected by a Sydney COVID-19 cluster rose by 15 to 83 as states and territories restrict people from much or all of NSW entering.

Several European countries have placed new restrictions on travel to and from the United Kingdom due to a new strain of the coronavirus spreading rapidly there.

Meanwhile there was little ASX investor response to US congressional leaders agreeing on a $US900 billion ($1.2 trillion) economic package.

The news broke early in the session.

The Aussie dollar was buying 75.62 US cents at 1621 AEDT, lower from 75.89 US cents at Friday’s close.