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Dr George Christos

Blogs on Brain function, Covid19, etc.

Tag: deltacron

Recombinant variants XBF & XBC.1 growing fast in (Western) Australia. Where is XBB.1.5?

A few days ago the Victorian CHO Dr Brett Sutton said XBF had a prevalence of about 29% in Australia. (R1) (R2) Since then I have watched it grow in Western Australia and the data set I have is a good week or 2 behind what the CHO has. XBC.1 is a bigger concern to…

January 22, 2023
Move over for BA.12. Ten-times more infectious than BA.2

A new variant of the novel coronavirus, BA.12, was found in Bihar’s Patna on Thursday. According to the state’s health department, the new variant of Omicron was found in the Indira Gandhi Institute of Medical Sciences (IGIMS). There is a new kid in town and we have not dealt with waves from BA.2.9, BA.2.2, BA.2.12, BA.2.12.1,…

April 28, 2022
Omicron BA.4 and BA.5 are coming.

You just have to look at these graphs showing how quickly they have grown in prevalence in South Africa. In a month or two we will be the same. BA.4 and BA.5 are more like BA.2 than BA.1 (BA.3 seems to have disappeared almost). The both have the mutation of concern L452R that was found…

April 24, 2022
Deltacron has landed in Australia

The dreaded recombinant variant #deltacron which I warned has not disappeared has now arrived in Australia. It has the spike like Omicron but the other parts are like the Delta variant. If it is 10 times worse as Omicron, which delta was, then the death rate could be hundreds a day, even close to 1000…

April 8, 2022
How many people around you are carrying covid19 right now in WA?

There will always be a large virus pool from which new variants will form, so even if people develop immunity to one variant they will not be immune to new variants. This virus can become weaker one year but more deadly the year after.

April 8, 2022
What is Omicron XE? Should we worry?

From what I know Omicron XE is some hybrid on BA.1 and BA.2 subvariants of omicron. The Omicron variants are the most infectious variants so far but their case fatality rates seem to be quite low 0.1 to 0.3%. There is still some uncertainly with BA.2. It may be more virulent. I have been unable…

April 5, 2022
Omicron BA.2 is quite different from Omicron BA.1. BA.2 is now generating it’s own subvariants. There are now 54 variants of Omicron.

I have always regarded the BA.2 subvariant of Omicron and potentially more dangerous than BA.1 as it is quite different. Up until a week or so ago, BA.1 had generated 19 new subvariants BA.1.*, e.g. BA.1.1 and BA.1.14, and BA.1.17. Now BA.2 is developing new subvariants, like BA.2.1 and BA.2.3. They have appeared in South…

April 5, 2022

Dr George Christos