This bar chart shows the newly confirmed COVID-19 cases by notification received date.

The line graph shows the cumulative number of newly confirmed COVID-19 cases by notification received date.

The horizontal axis shows the notification date.

The vertical axis on the left shows the number of new COVID-19 cases, represented by the bars.

The vertical axis on the right shows the cumulative number of COVID-19 cases.

The first cases of COVID-19 in Australia were identified in January. The number of new cases rapidly increased and peaked in March. A relatively low number of cases were reported daily between mid-April and early-June 2020. Cases have increased since mid-June.

 

 

 

 

 

 

 

 

 

 

 

 

 

This horizontal bar chart shows the source of COVID-19 infection and the total number of cases by state and territory.

The horizontal axis shows the number of confirmed COVID-19 cases. The vertical axis shows each state and territory: ACT, NSW, NT, QLD, SA, TAS, VIC and WA.

Each bar represents the number of cases by state that were acquired overseas, acquired through contact with a confirmed case in Australia, acquired in Australia with no link to another case indicating possible community transmission, and cases still being investigated.

The source of infection for confirmed cases of COVID-19 can be described as:

  • overseas acquired – the person was infected while overseas (including at sea)
  • locally acquired – known contact – the person was infected in Australia through contact with someone confirmed to have COVID-19
  • locally acquired – unknown contact – the person was infected in Australia, but the source of infection is not known
  • under investigation – the source of infection has not yet been determined, but is currently being investigated through public health actions

The majority of confirmed cases since mid-June have been locally acquired.

The number of cases currently under investigation should ideally be as low as possible. Knowing the source of infection assists in stopping the spread of COVID-19.https://www.health.gov.au/news/health-alerts/novel-coronavirus-2019-ncov-health-alert/coronavirus-covid-19-current-situation-and-case-numbers

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