COVID-19: Preparing schools to be safer

We are halfway through the summer break and there hasn't been much action to make schools safer in September. 🧵1/

@OttCatholicSB @OCDSB @ecolecatholique @MonCepeo @OPCouncil @ETFOeducators @osstf @OFLabour

#FASSST #LongCovidKids #onted
It would be great if our children could have less disruption at school this year since we know what needs to be done, it just needs to get done. 2/
Now that we are on the 7th wave, it should be obvious to policy makers that vaccines alone are not enough so we need to implement additional measures that are known to reduce the risk of infection. 3/
The best part is these measures not only protect from COVID-19 but also other respiratory viruses and contaminants. Providing cleaner air should help children better pay attention and improve their cognitive function at the same time. 4/
Several people have put forward requests and plans to improve schools. We need to actually listen and take action this time. 5/
Dr. Jane E. McArthur (@JANEMCARTHUR11) calls on heath units and school boards to take action and implement a complete toolbox of interventions ( windsorstar.com/opinion/letter… ). 6/
These include:
- mask mandates
- cleaning the air within the building using ventilation and filtration
- CO2 monitoring to verify systems are working properly and ensure air quality meets standards
- policies for opening windows and eating outside

7/
It is important to protect children, educators and staff and the people they live with from being infected, reinfected, and potentially suffering from #LongCovid. 8/
Dr. Steve Flindall wrote a letter to the Ontario government offering advice on measures to make schools safer when they return in September ( ). 9/
He suggests:
- mandatory isolation with paid sick leave support (including up to 10 days for 1 parent in every household)
- proper ventilation of each classroom which means proper air exchange and HEPA filtration

10/
- mandatory masks for indoor functions made freely available to students and staff
- mandatory isolation with return to school only after 2 negative rapid tests 24 hours apart

11/
- reinstitute PCR testing upon request for everyone
- reintroduce reporting and tracking of cases in schools

12/
Dr. Binita Kane highlights that school unions in the USA have written to the Secretary of State outlining an urgent need for a summer action plan to prevent school disruptions ( ). 13/
- provide additional funding to schools to improve ventilation and support spiraling energy costs
- provide HEPA air filtration devices to all schools for September
- re-establish funding for schools to cover supply costs for teaching and support staff absences

14/
- make rapid tests available free to staff and pupils in education settings
- issue clear public health guidance
- run a public health messaging campaign on vaccination
- publish updated guidance for schools on face coverings
- reinstate the need for COVID risk assessments

15/
We have learned a lot about how to reduce the risk of transmission of COVID-19 and thus make schools safer. Now we just need to actually do it. 16/
Investment in safer air and better ventilation improves the performance of teachers and students, reduces absenteeism, and improves health, and on top of that it helps with reducing COVID-19 transmission. 17/
Businesses should also take note, poorly ventilated buildings cause more economic damage than the cost of fixing them. 18/
Even before the pandemic, every $1 spent per person on ventilation lead to $160 payback so when you add in disruptions from COVID-19 you get back even more ( ). 19/

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More from @jeffgilchrist

Jul 26
COVID-19: Improving ventilation reduced likelihood of infection by 80% in schools

A preprint study found the relative risk of infection decreased with the increase in ventilation for those equipped with mechanical systems ( arxiv.org/abs/2207.02678 ). H/T: @linseymarr 🧵1/
The study investigated more than 10,000 classrooms in Italy. Ventilation rates ranging from 10-14 L/sec per person reduced the likelihood of infection for students by 80% compared to classrooms with only natural ventilation. 2/ Image
They determined that relative risk was reduced 12%-15% for each additional unit of ventilation rate per person. 3/
Read 14 tweets
Jul 24
COVID-19: Clinical impact of BA.5 and Ontario Update

A pre-print study in Denmark found a 1.65x increased risk of hospitalization for BA.5 infection compared to BA.2 and similar 3rd dose vaccine effectiveness for BA.5 and BA.2 infection ( papers.ssrn.com/sol3/papers.cf… ). 🧵1/
People with 3 doses of vaccine and a prior Omicron infection was still 93.6% protective against BA.5 compared to 3 doses and prior Alpha (65.4%) or Delta (46.9% ) variant infection. Every time you get exposed to the virus however, there is a chance you can develop Long COVID. 2/
I have heard from so many people in Ottawa who have become infected now, many of whom had recently attended outdoor events like Bluesfest or even outdoor patios. In crowded areas these latest Omicron variants are so transmissible people are being infected outdoors. 3/
Read 24 tweets
Jul 22
COVID-19: Finance sector noticing profound disruption to health of millions

Money talks and and the financial press is talking about how COVID-19 "is still causing profound disruption to the health of millions, with repercussions for society." ( ft.com/content/63dcc4… ).🧵1/
The UK has been hit with 3 Omicron variant waves this year and at the height of March's wave 1 in 13 people were infected with COVID-19. While vaccines have helped reduce the risk of hospitalization and death, the main concern is now Long COVID. 2/
The number of people dropping out of the labour force due to illness has increased dramatically during the pandemic in both the USA and UK. 3/
Read 15 tweets
Jul 21
COVID-19: Who is most at risk of developing Long COVID and BA.5 risk assessment

There is still much to learn about Long COVID but Fortune has an interesting article with educated guesses about who might be most at risk ( fortune.com/2022/07/03/lon… ).🧵1/
Researchers they spoke to identified at least 6 at risk groups:
- people with repeat COVID-19 infections regardless of severity
- people with high viral load during their infection
- people with dormant Epstein-Barr virus (EBV), one of the most common human viruses

2/
- people with autoimmune antibodies circulating
- people who had neurological symptoms during infection
- people who have not been vaccinated

3/
Read 14 tweets
Jul 18
COVID-19: BA.5 wave closing hospital ERs

Hospitalizations are increasing in Ontario and haven't even reached the level of previous waves but the amount of transmission without any measures in place to control the spread have caused multiple ERs to close or reduce hours. 🧵1/
The healthcare system is buckling under the pressure of too many staff being absent, whether in self-isolation from being infected, sick, long-term illness, or even being burnt out. 2/
Whether you need emergency help from your COVID-19 infection or anything else, you might be out of luck depending on where you live. 3/
Read 19 tweets
Jul 17
COVID-19: Increase in Canada and World for child hepatitis cases

Looks like child hepatitis cases are continuing to increase in Canada with 24 now (up from 10 in May), all hospitalized and 2 required transplants. 😢 ( ). 🧵1/ #FASSST
The WHO also released a statement recently that as of July 8, 2022 there have been 1,010 probable cases in 35 countries so far including 22 deaths ( globalnews.ca/news/8993497/h… ). 2/
You may remember that adenovirus has been blamed by many for this uptick but so far has only been detected in half of cases in Europe and only 9% of cases in Japan. 3/
Read 6 tweets

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