🚨NEW Report presents findings from a review of Long Covid to guide New Zealand’s Public Health response.

Report concludes that “preventative action is urgently needed”.

Let’s dive into the details as the findings are relevant for ALL countries.

🔗

/1 phcc.org.nz/briefing/long-…
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Below are some of the key findings of the report:

▪️Changes in health status following SARS-CoV-2 infection are common and can occur at any age.

▪️Symptoms are frequently experienced for months or years and can increase over time.

/2 • Several recent and well-designed cohort studies have reported central estimates ranging from 4 – 14% for ongoing symptoms per infection. • Long Covid includes a full spectrum of severity from hidden effects through mild and transient symptoms to life-changing and life-limiting conditions such as heart attacks and strokes, diabetes, myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), and neurological disorders. Commonly experienced symptoms such as fatigue and cognitive dysfunction have a high impact on quality of life. • Both SARS-CoV-2 infection and Long Covid are under-counted ...
▪️Future health impacts can be expected in addition to the effects that are already observed.

▪️ Some people who are currently well post-Covid are already expressing biomarkers of risk for cardiovascular disease, neurodegenerative disorders, autoimmune diseases & cancers.

/3 Future health impacts can be expected in addition to the effects that are already known and observed.  • Some people who are currently well post-Covid are already expressing biomarkers of risk for cardiovascular disease, neurodegenerative disorders, a range of autoimmune diseases, and cancers: conditions that typically have latency periods lasting years or decades. • Early-life exposure to infections can have lasting impacts on developing tissues and organ systems. Already, several adverse effects of perinatal Covid-19 exposure have been described. • Pre-pandemic evidence shows the adverse ...
▪️Society, sector & workforce effects of Long Covid are costly and disruptive, and they worsen existing inequities.

▪️ The frequency of (often undiagnosed) cognitive impairment after a mild infection indicates a need for risk assessment of impacts on occupational safety.

/4 Society, sector, and workforce effects of Long Covid are costly and disruptive, and they worsen existing inequities.  • Long Covid is associated with increased healthcare use, productivity loss, and workforce impacts, with implications for NZ workforces that experience high incidence of Covid-19 such as educators, healthcare workers, and prison workers. • The frequency of (often undiagnosed) cognitive impairment after a mild infection indicates a need for risk assessment of impacts on occupational safety and performance. Occupations of particular concern because of safety implications inclu...
▪️Because of rapid viral evolution, Covid-19 waves are not showing a consistent pattern of improvement over time.

▪️Without intervention to reduce cases, the prevalence of Long Covid is more likely to increase than to decrease.

/5 • Ongoing exposure to new, highly transmissible variants – in combination with the high incidence of Long Covid per infection and the long duration of symptoms – drives up the population prevalence. • Evolutionary biologists note that future variant scenarios include the possibility of both higher and lower disease severity with unpredictable impacts on Long Covid risk. • Lack of seasonality increases risk exposure and reduces recovery time between infections. • A high proportion of the NZ population has had Covid-19 at least once, and exposure to reinfection is continuing. Each infection i...
▪️When an infectious disease is common in the population, its long-term effects become common too.

▪️At a population level, modest-looking proportions of a post-infectious health risk readily translate into very large numbers.

/6 Image
The report concludes that:

“Our evidence summary strongly suggests that Long Covid is a major threat to individual health, societal wellbeing and economic performance.”

/7 Image
The Appendix of the report expands further on this important point:

“Choosing to ignore potential harms is indefensible when the risk can be reduced using a combination of new knowledge and well-established public-health approaches.”

/8 The size and complexity of the evidence that has accumulated after only four years of exposure to this new disease can be confronting. It appears to have had a paralysing effect on decision-makers in NZ and globally. As one global Long Covid expert observed in a landmark review: “The oncoming burden of Long Covid faced by patients, health-care providers, governments and economies is so large as to be unfathomable, which is possibly why minimal high-level planning is currently allocated to it”.17  Choosing to ignore potential harms is indefensible when the risk to New Zealanders can be reduc...
The authors recommend 3 immediate actions:

▪️Conducting a comprehensive Long Covid risk assessment.

▪️Rapidly reduce infection & reinfection rates using well-established public health & social measures.

▪️Expand Covid-19 vaccine eligibility and coverage.

/9 Image
Appendix 2 provides further details of the proposed components for Covid mitigation, including:

▪️Support for self-isolation of infected cases

▪️Improve indoor air quality

▪️Maintain mask use in high-risk indoor environments eg health care

▪️High & equitable vax coverage

/10 Image
Below is a press article about this report, highlighting the fact that, in terms of occupational risk, teachers are the most vulnerable to getting Covid - and, in turn, most at risk of getting Long Covid.

🔗

/11 rnz.co.nz/news/national/…
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Below is another press article which includes comments from NZ Education Institute president Mark Potter.

Potter revealed that his union had heard from a lot of teachers who were struggling to continue in the profession due to Long Covid.

🔗

/12 rnz.co.nz/news/national/…
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The chart of Covid case rates by occupational group can be found in the chart below, showing that teachers are at significantly higher risk of Covid infection than any other occupation.

(Source: )

/13 fyi.org.nz/request/20877/…

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One of the authors, @AmandaKvalsvig, tweeted earlier that schools MUST be made safe since they’re the hubs of their communities, linking public settings & households.

The only effective way to reduce Long Covid is to reduce Covid cases.

Schools are a great place to start.

/14
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In a previous paper (March 2023) also co-authored by @AmandaKvalsvig, she helped outline 7 goals for healthy schools.

As stated in the report, “these actions are highly feasible if the government steps up with a commitment to resource healthy schools.”

/15
This report is a truly outstanding piece of work and could form the blueprint for ANY government willing to confront the enormous health & economic challenges presented by repeated Covid infections and the resulting impact of Long Covid.

🔗

/16 phcc.org.nz/briefing/long-…
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Meanwhile, in the UK 🇬🇧, a paper was recently published by @CambridgeEcon on the economic burden of Long Covid.

The report estimates that, if the UK prevalence of Long Covid increases to 4m people by 2030, there will be a £2.7 BILLION loss in GDP & 311k job losses PER YEAR.

17/
Image
In the US 🇺🇸 , detailed evidence on the impact of Long Covid was presented a recent Senate Committee Hearing.

The opening speech below from @BernieSanders provided a compelling summary of the latest research.

More info at this link ⬇️

🔗

/18 sanders.senate.gov/op-eds/us-is-t…
And, in Canada 🇨🇦, a recent report from @StatCan_eng revealed that 1 in 9 Canadian adults have experienced the debilitating symptoms of Long Covid.

Of these, 7 in 10 Canadian adults with long term symptoms experience them on a daily or nearly daily basis.

/19
Covid & its longer term impact on our nation’s health is not going away.

‘Living with Covid’ shouldn’t mean just ignoring it.

It should mean making environments as safe as possible so we can all live our lives with less risk… less illness… less absence from school/work.

20/ Image

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More from @_CatintheHat

May 22
“LONG COVID IS FUELLING A MENTAL HEALTH CRISIS IN CHILDREN”

🚨Nearly 40% of children with Long COVID reported anxiety or depression; half had no prior diagnosis.

🚨Mental health impact was comparable to that of serious chronic illnesses like cancer.

neurosciencenews.com/long-covid-chi…Image
Meanwhile, more than 500 children a day in England are being referred to NHS mental health services for anxiety, more than DOUBLE the pre-pandemic rate…

…and yet, the impact of repeated COVID infections on children is never even considered as a contributing factor. Image
There are so many studies about the detrimental impact that Covid has on the brain…

…how the brain inflammation can trigger neurological symptoms such as depression & anxiety.

I don’t understand why this is just being ignored by the mainstream media.

health.harvard.edu/mind-and-mood/…Image
Read 4 tweets
May 15
LONG COVID IN UNIVERSITY STUDENTS

🚨40% of the undergrad students reported brain fog due to COVID-19.

🚨37 % of the undergraduates exhibited impaired cognition up to 17 months post-infection.

🚨Brain fog appeared to affect the distinct prefrontal haemodynamic patterns. Image
This study was conducted by scientists at the University of Otago (NZ) who were looking to investigate the cognitive effects of COVID infection in a population highly representative of young adults: undergraduate university students.

Link to full study:
sciencedirect.com/science/articl…Image
A summary article about this worrying study can also be found here:

“New neuroscience research shows COVID-19 leaves mark on young adult brains” (Feb 2025)

psypost.org/new-neuroscien…Image
Read 4 tweets
Mar 15
Today, in honour of #LongCovidAwarenessDay, I’m sharing a series of short videos from Dr Rae Duncan (@Sunny_Rae1) about the ongoing impact of Long Covid.

1. WHAT IS LONG COVID?

Long Covid is a multi-systemic inflammatory condition that can affect almost every organ of the body.
2. WHAT ARE THE PRINCIPAL MECHANISMS & MANIFESTATIONS OF LONG COVID?

Dr Rae Duncan explains some of the key manifestations of Long Covid, including:

▪️immune-mediated issues

▪️abnormalities of the autonomic nervous system (the nerves which control things like our heart rate).
3. WHAT ARE THE MAIN SYMPTOMS OF LONG COVID?

Dr Rae Duncan discusses some of the most prevalent symptoms of Long Covid, such as fatigue and post-exertional malaise.

There are over 200 recognised symptoms of Long Covid though, so each patient may experience different symptoms.
Read 11 tweets
Feb 18
⚠️ IPC GUIDANCE

Newly-appointed Health Minister @AshleyDalton_MP has just responded to a question from MP @_Chris_Coghlan.

Chris asks when the NHS IPC manual will be updated to reflect the latest science on AIRBORNE transmission.

Let’s take a closer look at Ashley’s reply… Image
The key bit is highlighted in yellow here:

“Should new evidence emerge that warrants updates, the guidance will be reviewed & revised accordingly by NHS England & UKHSA to ensure the highest standards of infection prevention & control are maintained across healthcare settings.” Image
Well @AshleyDalton_MP, new evidence HAS emerged.

It’s not even new news as we’ve known about it since 2020!

There’s not a single credible scientist who still denies that Covid is transmitted via the AIRBORNE route.

Please listen to independent expert witness Prof Beggs here ⬇️
Read 27 tweets
Feb 15
I wonder why so many people who’ve had Covid might be suffering with ‘anxiety’ 🤔

Hmmmm, let me think…

Could it be because Covid infections cause brain inflammation which triggers a plethora of neurological symptoms, including depression, anxiety & cognitive dysfunction?
The symptom may be ‘anxiety’ but this can often be the first sign of underlying neurological damage caused by COVID infections.

Patients affected may also be struggling with cognitive dysfunction, memory problems, difficulty concentrating etc.

This video helps explain why ⬇️
Here’s a fascinating post from neuroscientist @DaniBeckman which explains a little more about the damage that COVID can cause within the brain, disrupting neuronal circuits and contributing to neuronal loss. Image
Read 6 tweets
Feb 13
“WHY ARE YOU STILL MASKING?”

The folks at the @TheWHN have put together a really excellent set of science-based answers to various questions about why you’re still wearing a mask.

(Even if you’re not still masking, you might be interested in the answers).

Let’s take a look…🧵 Image
1. “Isn’t the pandemic over?”

Short Answer: The World Health Organization (WHO) declared the emergency phase over, but that doesn’t mean the pandemic itself has ended.

(h/t @TheWHN) Image
2. “But you’re not high-risk, so why bother wearing a mask?”

Short Answer: Because preventing transmission matters for everyone, not just people in vulnerable groups.

(h/t @TheWHN) Image
Read 12 tweets

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