1. WHO coronavirus (COVID-19) dashboard world health organization,2022
2. Coronavirus (COVID-19) at a glance - 1 december 2021,2021
3. History of Ebola virus disease (EVD) outbreaks centers for disease control and prevention: centers for disease control and prevention,2022
4. Pandemic influenza historic timeline centers for disease control and prevention,2022
5. With the new BA.2 COVID sub-variant spreading rapidly, what will Australia's colder months look like?;Truu,2022