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Virology Down Under

Facts, data, info, expert opinion and a reasonable, occasionally grumpy, voice on viruses: what they are, how they tick and the illnesses they may cause.

Category: COVID-19

The “Infection Pause”: because it’s about fewer infections, not an immune debt to repay

Posted onJuly 31, 2025August 1, 2025

There was a real, measurable shift in the peak season for several endemic human pathogens as well as a rebound in infections, coinfections, and disease severity among them after the Read More …

CategoriesCOVID-19, Infection pause, Pandemic, SARS-CoV-2

COVID-19 is a Pandemic: What if it was a Pandemic Emergency? And what are they anyway?

Posted onJuly 24, 2025July 25, 2025

Words carry intent and meaning. Their misuse causes harm. The word “pandemic” has a range of definitions, and it’s used regularly by experts associated with the World Health Organization (WHO). Read More …

CategoriesCOVID-19, Pandemic

In Australia, COVID-19 deaths did decrease between 2023 and 2024, but it’s still a major killer.

Posted onJuly 2, 2025August 1, 2025

At the prompting of a Tweep (thanks Michael), I’ve revisited my September 2024 post “In Australia, COVID-19 deaths may have stopped decreasing” to see the latest Australian Bureau of Statistics Read More …

CategoriesCOVID-19, Endemic, Epidemic, Pandemic

body of water during golden hour

In Australia, COVID-19 deaths may have stopped decreasing

Posted onSeptember 6, 2024September 9, 20241 Comment

The Australian Bureau of Statistics (ABS) published excellent data on deaths due to or with COVID-19 in Australia from 2022 to July 2024. Deaths dropped between 2022 and 2023, but Read More …

CategoriesCOVID-19, EpidemicTagsDeaths

close up photo of survey spreadsheet

It takes a while to gather death data

Posted onSeptember 5, 2024September 5, 2024

The Australian Bureau of Statistics (ABS) published some excellent data on the sad topic of mortality (death) in Australia. In doing that, they nicely defined why it takes patience to Read More …

CategoriesCOVID-19, Data

More PCR cycles don’t mean magic results

Posted onAugust 5, 2024February 13, 2025

The quote below has been circulated for a while, amplified by those with no PCR understanding. Its focus is to make you believe that too many PCR cycles create false Read More …

CategoriesCOVID-19, Debunking, PCRTagsPCR

words in dictionary

Stop Hijacking Definitions To Farm Anger And Clicks!

Posted onDecember 29, 2023February 9, 2025

It’s a funny old time to be a scientist. Advances are being made as ever, and new knowledge around airborne virus infection and transmission is accruing like never before. Not Read More …

CategoriesCommunication, COVID-19, Definition

From PIXABAY

What is “Immunity Debt”?

Posted onDecember 2, 2023July 30, 20253 Comments

Something called “immunity debt” has been in the news quite a bit lately. Most recently, because of what looks like a multicountry Mycoplasma pneumoniae epidemic, but before then, in the Read More …

CategoriesCOVID-19, Immunology

Excess deaths align with COVID-19

Posted onMay 7, 2023May 7, 20232 Comments

There are minimisers who spread misinformation, like butter on hot toast. And yes, it can sink in and spread further. One of these piles of melted fat ridiculously claims that Read More …

CategoriesCOVID-19, Epidemic, Influenza

Variation is key to the SARS-CoV-2 ‘waves’

Posted onMay 7, 2023May 7, 2023

Just a short note to highlight that viruses changing their ‘look’ through selection and expansion of variants in response to our immune system’s pressure on their evolution has been the Read More …

CategoriesCOVID-19, Vaccines & vaccination, VariantsTagsepidemic

young annoyed female freelancer using laptop at home

‘Endemic’ covers a lot of biology, but we’re probably not there yet for COVID-19

Posted onJanuary 2, 2023January 2, 2023

Right up front, I’m going to repeat myself by saying that I think COVID-19 will become a disease that has endemic as well as epidemic states at some point in Read More …

CategoriesCommunication, COVID-19, Endemic, Influenza, Picornavirus, Transmission, VariantsTagsCOVID-19, disease, endemic, influenza, pandemic

Whatever happened to communication?

Posted onJuly 24, 2022July 25, 20222 Comments

I’m not an expert in many things. But I’m enough of a scientist to conclude with confidence that what’s happening now with COVID-19 in Australia and in many other countries Read More …

CategoriesCommunication, COVID-19, Pandemic

Masks matter for more than mandates

Posted onJuly 7, 2022July 1, 20253 Comments

The amount of virus per amount of snot, air, monkey or whatever is a way to describe the concentration of virus present in that thing. It might seem intuitive to Read More …

CategoriesAerosols, COVID-19, Masks, Rhinovirus, SARS-CoV-2TagsInfectious dose, Plaque forming assay, TCID50

NEXTSTRAIN Clades, 02MAY2022

BA.2.12.1 is on the rise in New York…

Posted onMay 2, 2022May 2, 2022

A recently named sub-strain represents the latest twist in the ongoing evolution of SARS-CoV-2. It’s currently active in the United States and looks to be very capable of spreading, outpacing Read More …

CategoriesCOVID-19, SARS-CoV-2, Variants

Lockdowns had a role: they saved lives

Posted onApril 18, 2022April 18, 2022

There are threats and lists and all manner of abuse aimed at those who promoted or supported measures that saved lives during the COVID-19 pandemic. I just want to make Read More …

CategoriesCoronavirus, COVID-19, Pandemic, TransmissionTagsLockdown

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Recent Posts

  • Catch them all? There are three different influenza viruses and they can co-circulate each season August 22, 2025
  • The “Infection Pause”: because it’s about fewer infections, not an immune debt to repay July 31, 2025
  • A Flunami in July July 27, 2025
  • COVID-19 is a Pandemic: What if it was a Pandemic Emergency? And what are they anyway? July 24, 2025
  • In Australia, COVID-19 deaths did decrease between 2023 and 2024, but it’s still a major killer. July 2, 2025
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  • Q fever – an old zoonosis with a better diagnosis June 9, 2025
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All opinions are my own and do not represent medical advice or the views of any institution.

All graphics made by me are free-to-use. Please just cite the particular page, blog and me. A heads-up would be nice, but that can happen later.

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Recent Posts

  • Catch them all? There are three different influenza viruses and they can co-circulate each season
  • The “Infection Pause”: because it’s about fewer infections, not an immune debt to repay
  • A Flunami in July
  • COVID-19 is a Pandemic: What if it was a Pandemic Emergency? And what are they anyway?
  • In Australia, COVID-19 deaths did decrease between 2023 and 2024, but it’s still a major killer.

All opinions are my own and do not represent medical advice or the views of any institution.

All graphics made by me are free-to-use. Please just cite the particular page, blog and me. A heads-up would be nice too but that can happen later.

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