13:30 The briefing is finished now
READ ALSO: Listeriosis: 5 Things you need to know
13:13 Investigations are also still undergoing in Rainbow Chicken facility in Sasolburg and Enterprise in Germiston, but Enterprise in Polokwane has been identified as positive for the strain.
12:52 Briefing has still not started
Media are told by officials to have a few snacks but not to worry that "There isn't any polony" which some have taken as a sign that the source might be cold meats.
Meanwhile, for a briefing which was announced at midnight there seems to be little urgency at the event itself.
12:17 The figures at the moment to do with the latest South African outbreak of this foodborne disease:
So far it has claimed over 170 lives, with over 900 cases reported since January 2017 mostly in Gauteng, but also in other parts of the country.
It is caused by bacteria naturally found in soil, water, vegetation and animal faeces, but outbreaks such as the one we are currently suffering are not the norm.
People have been advised to avoid uncooked and pre-processed food which isn't heated before eating, and to wash all vegetables thoroughly before eating them.
A recent outbreak in Australia has seen three deaths in the past days, which has already been identified as being linked to pre-packed melon.
In December, 2017, an abattoir near Pretoria was closed after tests of samples being found to contain the pathogen.
Breaking Story: On Sunday morning it was announced that Health Minister Aaron Motsoaledi would brief the media "at noon" on the breakthrough of the Listeriosis outbreak including updates on the progress made to contain the spread of Listeriosis.
Government announced on twitter that included in the briefing would be drastic measures that government has decided take in order to contain the spread of the disease.
Government statements said that Minister Motsoaledi will be accompanied by scientists who have been working tirelessly to identify the source of the Listeriosis outbreak.
However people were unhappy that the source had been identified by not announced straight away.
Briefly.co.za editor Genevieve Dlamini will bring you updates as they become available.
This is a breaking story. Follow the updates as they are added to the top of this story.
However, as this story is published, the promised, noon briefing had yet to begin.