Unstable endemicity
July 19, 2022
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Dr John Campbell Episodes Around July 19, 2022
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14:00Now PlayingUnstable endemicity
YouTube Description
as posted by the channelExpert predictions rapidly fail, need always to keep up to date with the latest real world situation. Science must be constantly corrected to be consistent with external objective reality.
Symptomatic covid
US
Evolutionary driver
Was
Increased transmission advantage
Alpha, Delta
Now
Immune escape
Omicrons, BA.1 BA.2 BA.4/5 BA.2.75
Ability to reinfect even those recently vaccinated or infected
Australian Health Protection Principal Committee
Reinfections may occur as early as 28 days after recovery,
People who test positive to COVID-19 more than 28 days after ending isolation due to previous infection should be reported and managed as new cases.
BA.4 and BA.5 associated with increased immune escape,
rates of reinfection rise among previously infected,
and those up to date with their vaccinations
Vaccination continues to be the most important protection against severe illness
English school attendance
19% of secondary pupils absent,
8% of teachers off work
NHS
6 July, 26,874 NHS staff off
Acute and long covid
Stephen Kissler, epidemiologist, Harvard
The way that the pandemic has played out and is continuing to play out is unexpected
We’d expected strong seasonal wintertime patterns where you don’t see a lot outside those winter months
I would’ve thought it would have reached a steady state by now
It seems the opposite is the case
Prof Peter Openshaw, immunologist, Imperial College London
They are actually becoming more frequent, with one piling in on top of the other
If we let nature follow its course, we will, reach some sort of equilibrium
But it may mean coexisting at a lower level of overall health
Prof Tim Cook, anaesthesia
In many settings, Covid is an inconvenience now,
rather than a threat to life,
but it continues to have a significant impact in healthcare
From a healthcare perspective, the pandemic is not over
Adam Finn, professor, paediatrics, University of Bristol
(UK’s Joint Committee on Vaccination and Immunisation)
We’ve more or less given up on the idea of mass immunisation to control the spread of infection.
Vaccinating everyone every three months is just not feasible.
Variant-proof vaccine
Pan-coronavirus vaccine
Nasal vaccine
favipiravir and ivermectin, still being studied in the trial.
Guests & Subjects Covered
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