What does the Pfizer Covid vaccine breakthrough mean for Australia?

Interim results show vaccine to be 90% effective, but findings have not been peer-reviewed, Australia has only secured enough for five million people, and there are concerns around its storage temperature

Pfizer says vaccine is 90% effective
What has Pfizer's vaccine trial found?
Vaccine announcement is cause for cautious celebration

News that pharmaceutical giant Pfizer and partner company BioNTech have developed a vaccine that proved 90% effective in protecting people from Covid-19 in global trials has been heralded a breakthrough". Pfizer chief executive, Dr Albert Bourla, described the results as a great day for science and humanity".

But what do the findings mean for Australia, and for the other Covid-19 vaccines being researched?