The Australian dollar fell against most currencies on Monday, amid growing concerns about the spread of the Omicron variant and its impact on the global economic recovery.
Several European countries, such as the UK, started to see record daily spike in Covid-19 infections due to the Omicron outbreak, which threatens another lockdown and closures.
Countries such as Denmark, Norway and Austria have also tightened restrictions on citizens, especially on the unvaccinated.
The American biotech frim Moderna reported that a booster shot of its vaccine protect from Omicron infection.
The World Health Organization said that Omicron cases appeared in more than 90 countries, with over 1000 cases in 43 US states so far.
As of 16:43 GMT AUD/USD fell 0.2% to 0.7111, after hitting a high of 0.7143 and a low of 0.7082.