Menu

Primary Menu

Skip to content
  • Home
  • About Me
  • glossary
Show Header Sidebar Content

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: Rhinovirus

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

Arrr a piRATe

Arrrrr on the rise (Rhinovirus, RSV and RATs)

Posted onMarch 19, 2022March 26, 2022

Anecdotally there are a lot of acute respiratory virus infections ripping through the community where I live. Particularly noticeable in schools but also workplaces. Yes, there is SARS-CoV-2 among these Read More …

CategoriesRhinovirus, SARS-CoV-2, Transmission

Thank goodness we did all the work

Posted onJanuary 29, 2022July 16, 20226 Comments

Thank goodness we didn’t hold off on opening up to see what Omicron was capable of. We had to have Christmas. And there were national cabinet agreements. Anyway, how could Read More …

CategoriesAerosols, Communication, Coronavirus, COVID-19, Editorial, Enterovirus, Influenza, Parechovirus, Rhinovirus, SARS-CoV-2, Transmission

The Swiss cheese infographic that went viral

Posted onDecember 26, 2020August 11, 202533 Comments

A visual representation of how to prevent transmission of SARS-CoV-2 struck a chord with many in 2020. I won’t rehash all that has already been written about the Swiss cheese Read More …

CategoriesCommunication, COVID-19, Rhinovirus, SARS-CoV-2

Yes, PCR tests can detect “the COVID virus”

Posted onAugust 4, 2020July 1, 2025114 Comments

I was asked to write some comments for a fact check article about some of the myths going around about PCR-based testing and whether PCR tests can detect “the COVID Read More …

CategoriesCommunication, Debunking, DNA, Laboratory methods, PCR, Rhinovirus, SARS-CoV-2TagsRT-PCR, RT-rPCR

Rhinovirus rampant or testing triumphant?

Posted onJune 27, 2020September 14, 202017 Comments

Turns out, this physical distancing thing actually works as advertised. Who would have thought that keeping the things viruses need for their survival – hosts full of cells – far Read More …

CategoriesCOVID-19, Picornavirus, Rhinovirus

Face off

Posted onMarch 8, 2020July 1, 202515 Comments

We touch our faces often. Maybe 3 to 23 times an hour often! But if our hands haven’t just been washed and we’ve touched surfaces contaminated by viruses surviving in Read More …

CategoriesCoronavirus, COVID-19, Rhinovirus

Memories

Posted onFebruary 25, 2019July 1, 2025

Dug these up from the old blog after a chat with a collaborator who recalled one of them fondly. I regret nothing!!! IMPORTED POSTS* You’re the virus I got… To Read More …

CategoriesChuckles, Rhinovirus

How many common cold viruses in one place, in one season?

Posted onSeptember 2, 2018September 22, 20203 Comments

I was recently asked how many common cold viruses are among us at a given time? The short answer is – dozens!  In the past, I’ve written a few reviews (for Read More …

CategoriesRhinovirusTagscommon cold, epidemiology, genotype, molecular epidemiology, PCR, rhinovirus

During the first 4 weeks of life “common cold” viruses occur frequently and can make your little one sick….

Posted onAugust 31, 2018May 19, 2019

Not much is known about the number of, and the burden due to, virus infections that happen during the very first four weeks of life – called the “neonatal period“. Read More …

CategoriesRhinovirusTagscommunity cohort, ORChID, respiratory virus, rhinovirus

Only effective vaccines can protect us from respiratory viruses because we’re us

Posted onAugust 24, 2018August 25, 2018

As winter wraps up in Australia, it’s become quite clear that – barring a very unusual late burst of activity – the 2018 influenza (flu) season has passed Australia by with Read More …

CategoriesInfluenza, RhinovirusTagscommon cold, epidemic, Flu, household, influenza, outbreak, pandemic, respiratory viruses, vaccine

Rhinovirus C makes use of less regulation…

Posted onNovember 21, 2017July 13, 2019

A new Australian study may help to explain why asthmatics have trouble suppressing the inflammation triggered by respiratory virus infections.[1] And it’s to do with Rhinovirus C. In particular, the Read More …

CategoriesPicornavirus, Rhinovirus

A cold virus in the blood…

Posted onOctober 25, 2017July 1, 20252 Comments

Sometimes, viruses jump – or leak – from where we think they belong, turning up in an unexpected body compartment. We saw it with Ebola virus – it’s now known Read More …

CategoriesRhinovirus, UncategorizedTagscommunity acquired pneumonia, pneumonia, poliovirus, rhinovirus, viraemia

MERS & the Hajj – watch out for the Flu!

Posted onSeptember 5, 2017July 1, 2025

The Middle East respiratory syndrome (MERS) coronavirus (CoV) has now been known of for 6 consecutive Hajj mass gatherings (see the bar graphs). To date, there has not been a Read More …

CategoriesCoronavirus, Influenza, Mass gathering, MERS-CoV, Rhinovirus, Transmission

Rhinoviruses (RVs)…a primer

Posted onApril 1, 2015July 17, 2022

More than 100 serologically distinct types (serotypes) and another 50 or more genotypically defined and distinct types (genotypes) of human rhinovirus (RV; Greek rhin = nose) exist within the genus Enterovirus. Read More …

CategoriesRhinovirus

Post navigation

← Older posts

More of VDU

  • Pinterest
  • Google
  • Facebook
  • Mastodon

Recent Posts

  • Just 0.7% of of universally screened asymptomatic patients produced unrepeatable PCR tests May 2, 2026
  • A little virus that still can: poliovirus and poliomyelitis May 1, 2026
  • Age and COVID-19: What’s with all the young kids? April 14, 2026
  • Asymptomatic, acute and persistent COVID-19 symptom changes over the course of three infections March 5, 2026
  • How are asymptomatic COVID-19 cases tracking? March 2, 2026
  • Another way to look at flu season size February 28, 2026
  • Whooping cough in 2024 was huge in Australia, but is declining in 2025 and 2026 February 19, 2026
  • Pathology lab PCR is not research lab PCR January 27, 2026
  • Is there more flu in Australia and New Zealand than normal for Christmas? Hell Yes! December 27, 2025
  • 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
  • Flu down under is a July thing June 16, 2025

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.

Tags

anti-vaccination asymptomatic Australia avian influenza China Democratic Republic of the Congo DRC Ebola virus Ebola virus disease epidemic epidemiology EVD Flu flunami flu season genotype H1N1 H3N2 H7N9 HTLV HTLV-1c influenza influenza virus MERS MERS-CoV molecular epidemiology outbreak PCR pneumonia Queensland reporting respiratory virus rhinovirus RT-PCR SciComm science communication seasonal influenza social media SoMe summer transmission United States of America vaccine Wuhan Zaire ebolavirus

Regular reads…

  • FluTrackers-everything infectious, before it happens
  • Mike Coston’s Avian Flu Diary
  • ProMED mail
  • WHO Disease Outbreak News
  • HealthMap
  • STAT News
  • CIDRAP-timely infectious disease reporting
  • Kai Kupferschmidt
  • Martin Enserink

Recent Posts

  • Just 0.7% of of universally screened asymptomatic patients produced unrepeatable PCR tests
  • A little virus that still can: poliovirus and poliomyelitis
  • Age and COVID-19: What’s with all the young kids?
  • Asymptomatic, acute and persistent COVID-19 symptom changes over the course of three infections
  • How are asymptomatic COVID-19 cases tracking?

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.

Bluesky: @mackayim.bsky.social

Threads: @mackayim.2024

Mastodon: @mackayim2022@mastodon.social

 

Copyright © 2026 Virology Down Under. All Rights Reserved.
• The following link is used to verify that I 'own' the domain
for use with Mastodon
Theme: Clean Box Pro
Scroll Up
  • Home
  • About Me
  • glossary