UPDATE 3 April 2020, 9.45am:
A fourth Central Australian case was confiirmed overnight.
An Alice Springs woman, recently returned from the United Kingdom, tested positive for COVID-19.
The woman, aged in her 20s, has been in self-quarantine since returning from overseas.
Again, under national medical guidelines, the NT Government says contact tracing on her flight is not required due to the delay between her return and becoming unwell.
She is now in the care of Alice Springs Hospital.
Her diagnosis takes to 22 the cases of COVID-19 in the Northern Territory.
All of these cases have been acquired overseas or interstate.
An Alice Springs woman who recently returned from the Gold Coast has been diagnosed with COVID-19.
She is in the care of Alice Springs Hospital after being in self-quarantine since her return.
Under national medical guidelines, contact tracing on her flights is not required due to the delay between her return and becoming unwell.
With another new case confirmed in Darwin overnight there have now been 21 cases of COVID-19 diagnosed in the Northern Territory, all acquired interstate or overseas.
The Darwin woman in her 20s has tested positive after returning from Bali on flight JQ82 on Friday 20 March.
She had been in self-quarantine since that time and is now in Royal Darwin Hospital.
Passengers on flight JQ82 should be in self-quarantine until Friday 3 April. If they feel unwell they are urged to contact their doctor or the Centre for Disease Control to arrange testing for COVID-19.