Yaneer Bar-Yam
@yaneerbaryam.bsky.social
Complex Systems Physicist | President of
NECSI, co-founder World Health Network (WHN)
Author: Making Things Work (download pdf at https://necsi.edu/making-things-work)
NECSI, co-founder World Health Network (WHN)
Author: Making Things Work (download pdf at https://necsi.edu/making-things-work)
Pinned
Yaneer Bar-Yam
@yaneerbaryam.bsky.social
· Jul 26
WHN Response to Canada's CSA Z94.4-25 Respirator Standard - WHN
CSA Z94.4-25 is a draft national standard proposing science-based airborne protection measures, including universal respirator use in healthcare. While broadly welcomed, it has also drawn a petition i...
whn.global
📢 Canada’s CSA Z94.4-25 standard calls for universal respirators in healthcare—a milestone in airborne protection
Support it with your voice:
✅ Submit public comments (open to all)
🧾 Read WHN’s support + petition response
#CleanAir #HealthcareSafety #N95 #CSA
whn.global/whn-response...
Support it with your voice:
✅ Submit public comments (open to all)
🧾 Read WHN’s support + petition response
#CleanAir #HealthcareSafety #N95 #CSA
whn.global/whn-response...
Let’s not get confused about science.
Many studies have looked for a link between vaccines and autism — none has found one.
“We haven’t ruled it out” is a logic loop; by that logic we also haven’t ruled out peanut butter, bedtime stories, or blue socks.
1/
Many studies have looked for a link between vaccines and autism — none has found one.
“We haven’t ruled it out” is a logic loop; by that logic we also haven’t ruled out peanut butter, bedtime stories, or blue socks.
1/
November 20, 2025 at 4:07 PM
Let’s not get confused about science.
Many studies have looked for a link between vaccines and autism — none has found one.
“We haven’t ruled it out” is a logic loop; by that logic we also haven’t ruled out peanut butter, bedtime stories, or blue socks.
1/
Many studies have looked for a link between vaccines and autism — none has found one.
“We haven’t ruled it out” is a logic loop; by that logic we also haven’t ruled out peanut butter, bedtime stories, or blue socks.
1/
WA state confirms first bird flu case in a resident this year
“Please limit your contacts as best as possible with wild birds (and) domestic animals, and certainly contact your health care providers if you’re ill or have these contacts.”
www.seattletimes.com/seattle-news...
“Please limit your contacts as best as possible with wild birds (and) domestic animals, and certainly contact your health care providers if you’re ill or have these contacts.”
www.seattletimes.com/seattle-news...
WA confirms first bird flu case in a resident this year
A Grays Harbor County resident has tested preliminarily positive for bird flu in the first human case recorded in WA this year.
www.seattletimes.com
November 14, 2025 at 1:54 AM
WA state confirms first bird flu case in a resident this year
“Please limit your contacts as best as possible with wild birds (and) domestic animals, and certainly contact your health care providers if you’re ill or have these contacts.”
www.seattletimes.com/seattle-news...
“Please limit your contacts as best as possible with wild birds (and) domestic animals, and certainly contact your health care providers if you’re ill or have these contacts.”
www.seattletimes.com/seattle-news...
🧬 Gratitude meets Science!
The new Kids’ Zone magazine celebrates vaccines, curiosity, and creative kids worldwide — from pizza faces to midnight science conferences.
👉 Read Issue 16 “The Thankful for Science Edition” at
whn.global/kidszone/
The new Kids’ Zone magazine celebrates vaccines, curiosity, and creative kids worldwide — from pizza faces to midnight science conferences.
👉 Read Issue 16 “The Thankful for Science Edition” at
whn.global/kidszone/
Kids' Zone - WHN
Welcome to the World Health Network Kids’ Zone Magazine! Although COVID-19 is a serious topic, living a COVID-Conscious lifestyle can be fun and rewarding. In this magazine we highlight the many ways ...
whn.global
November 12, 2025 at 12:29 AM
🧬 Gratitude meets Science!
The new Kids’ Zone magazine celebrates vaccines, curiosity, and creative kids worldwide — from pizza faces to midnight science conferences.
👉 Read Issue 16 “The Thankful for Science Edition” at
whn.global/kidszone/
The new Kids’ Zone magazine celebrates vaccines, curiosity, and creative kids worldwide — from pizza faces to midnight science conferences.
👉 Read Issue 16 “The Thankful for Science Edition” at
whn.global/kidszone/
Japan flu update: 2,307 kindergartens, nursery schools, and elementary, junior high and senior high schools were closed partially or fully due to the flu.
www.nippon.com/en/news/yjj2...
www.nippon.com/en/news/yjj2...
Flu Cases Exceed Alert Level in Japan
Tokyo, Nov. 7 (Jiji Press)--The average number of new influenza cases per regularly monitored medical institut…
www.nippon.com
November 8, 2025 at 11:06 PM
Japan flu update: 2,307 kindergartens, nursery schools, and elementary, junior high and senior high schools were closed partially or fully due to the flu.
www.nippon.com/en/news/yjj2...
www.nippon.com/en/news/yjj2...
Tom Hanks on mask wearing: “I’ve had COVID enough in my life”
www.thecanary.co/global/world...
www.thecanary.co/global/world...
Tom Hanks on mask wearing: "I’ve had COVID enough in my life”
Tom Hanks has joined a growing movement of COVID-conscious artists who are openly speaking up about the threats of the disease
www.thecanary.co
November 7, 2025 at 9:21 PM
Tom Hanks on mask wearing: “I’ve had COVID enough in my life”
www.thecanary.co/global/world...
www.thecanary.co/global/world...
New Data: COVID-19 infection causes many times more serious health problems in kids than vaccination does.
Vaccines reduce risk — not just of infection, but of long-term complications.
Explainer in The Globe and Mail:
www.theglobeandmail.com/life/wellnes...
Vaccines reduce risk — not just of infection, but of long-term complications.
Explainer in The Globe and Mail:
www.theglobeandmail.com/life/wellnes...
Kids at higher risk of rare heart conditions after COVID-19 infection compared with after vaccine
New study looked at health records from nearly 14 million young people who had coronavirus
www.theglobeandmail.com
November 6, 2025 at 12:03 AM
New Data: COVID-19 infection causes many times more serious health problems in kids than vaccination does.
Vaccines reduce risk — not just of infection, but of long-term complications.
Explainer in The Globe and Mail:
www.theglobeandmail.com/life/wellnes...
Vaccines reduce risk — not just of infection, but of long-term complications.
Explainer in The Globe and Mail:
www.theglobeandmail.com/life/wellnes...
Reposted by Yaneer Bar-Yam
🚨This is so important:
"After years of denial the international consensus is now shifting,” according to physicist @yaneerbaryam.bsky.social
COVID-19 is:
🛑creating a 12.9% increase in workplace absences compared to pre-pandemic
🛑causing a 2% increase in excess deaths vs. pre-pandemic
1/
"After years of denial the international consensus is now shifting,” according to physicist @yaneerbaryam.bsky.social
COVID-19 is:
🛑creating a 12.9% increase in workplace absences compared to pre-pandemic
🛑causing a 2% increase in excess deaths vs. pre-pandemic
1/
November 4, 2025 at 1:44 PM
🚨This is so important:
"After years of denial the international consensus is now shifting,” according to physicist @yaneerbaryam.bsky.social
COVID-19 is:
🛑creating a 12.9% increase in workplace absences compared to pre-pandemic
🛑causing a 2% increase in excess deaths vs. pre-pandemic
1/
"After years of denial the international consensus is now shifting,” according to physicist @yaneerbaryam.bsky.social
COVID-19 is:
🛑creating a 12.9% increase in workplace absences compared to pre-pandemic
🛑causing a 2% increase in excess deaths vs. pre-pandemic
1/
I appreciate Andrew Nikiforuk at @TheTyee for highlighting the continuing science of COVID and the importance of prevention.
The virus keeps reshaping health and society — we can still choose to act wisely.
thetyee.ca/Analysis/202...
The virus keeps reshaping health and society — we can still choose to act wisely.
thetyee.ca/Analysis/202...
This Physicist Says We Don’t Take COVID Seriously Enough | The Tyee
We downplay the virus at our peril, warns Yaneer Bar-Yam. And children are more at risk than we thought.
thetyee.ca
November 1, 2025 at 5:32 PM
I appreciate Andrew Nikiforuk at @TheTyee for highlighting the continuing science of COVID and the importance of prevention.
The virus keeps reshaping health and society — we can still choose to act wisely.
thetyee.ca/Analysis/202...
The virus keeps reshaping health and society — we can still choose to act wisely.
thetyee.ca/Analysis/202...
More than 700 experts and supporters have signed this call urging WHO to make N95/FFP2-3 respirators the global healthcare standard.
Surgical masks are not enough.
Anyone can sign: tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals
Surgical masks are not enough.
Anyone can sign: tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals
October 30, 2025 at 3:24 PM
More than 700 experts and supporters have signed this call urging WHO to make N95/FFP2-3 respirators the global healthcare standard.
Surgical masks are not enough.
Anyone can sign: tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals
Surgical masks are not enough.
Anyone can sign: tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals
Reposted by Yaneer Bar-Yam
We've signed. It's long past time when N95s should be the norm not the exception.
Patients & staff deserve to be protected & safe.
Patients & staff deserve to be protected & safe.
Doctors & scientists urge WHO: N95s—not surgical masks—must be the standard in healthcare.
Add your name before Oct 31 👇
tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals #ProtectHCWs
Add your name before Oct 31 👇
tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals #ProtectHCWs
A Call for the Universal Use of Respirators in Healthcare - Add Your Name
In an effort to advance global public health through turbulent times, a group of experts from around the globe in medicine, public health, law, industrial hygiene, and other disciplines, met at the Un...
tinyurl.com
October 29, 2025 at 2:37 PM
We've signed. It's long past time when N95s should be the norm not the exception.
Patients & staff deserve to be protected & safe.
Patients & staff deserve to be protected & safe.
Reposted by Yaneer Bar-Yam
🧪
Hard to believe that this is still something we have to argue for in 2025. The science is settled.
Hard to believe that this is still something we have to argue for in 2025. The science is settled.
Doctors & scientists urge WHO: N95s—not surgical masks—must be the standard in healthcare.
Add your name before Oct 31 👇
tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals #ProtectHCWs
Add your name before Oct 31 👇
tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals #ProtectHCWs
A Call for the Universal Use of Respirators in Healthcare - Add Your Name
In an effort to advance global public health through turbulent times, a group of experts from around the globe in medicine, public health, law, industrial hygiene, and other disciplines, met at the Un...
tinyurl.com
October 28, 2025 at 9:08 PM
🧪
Hard to believe that this is still something we have to argue for in 2025. The science is settled.
Hard to believe that this is still something we have to argue for in 2025. The science is settled.
Doctors & scientists urge WHO: N95s—not surgical masks—must be the standard in healthcare.
Add your name before Oct 31 👇
tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals #ProtectHCWs
Add your name before Oct 31 👇
tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals #ProtectHCWs
A Call for the Universal Use of Respirators in Healthcare - Add Your Name
In an effort to advance global public health through turbulent times, a group of experts from around the globe in medicine, public health, law, industrial hygiene, and other disciplines, met at the Un...
tinyurl.com
October 28, 2025 at 8:46 PM
Doctors & scientists urge WHO: N95s—not surgical masks—must be the standard in healthcare.
Add your name before Oct 31 👇
tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals #ProtectHCWs
Add your name before Oct 31 👇
tinyurl.com/RespiratorsN...
#RespiratorsNotSurgicals #ProtectHCWs
70 per cent of Sydney central business district workers work from home at least some of the time...a significant and enduring shift in commuting patterns and public transport demand
October 24, 2025 at 9:38 PM
70 per cent of Sydney central business district workers work from home at least some of the time...a significant and enduring shift in commuting patterns and public transport demand
Reposted by Yaneer Bar-Yam
October 21, 2025 at 8:25 PM
US state governors launch alliance to bolster coordination on public health
reuters.com/world/us/col...
reuters.com/world/us/col...
October 16, 2025 at 2:27 AM
US state governors launch alliance to bolster coordination on public health
reuters.com/world/us/col...
reuters.com/world/us/col...
Our new review compares SARS-CoV-2 & HIV on key similarities & outcomes:
–Immune cell (T&other) depletion & dysfunction
–Increases in other infections after COVID
–Rising incidence of signature diseases of immune deficiency
–Limitations of public response
ajpmfocus.org/article/S277...
–Immune cell (T&other) depletion & dysfunction
–Increases in other infections after COVID
–Rising incidence of signature diseases of immune deficiency
–Limitations of public response
ajpmfocus.org/article/S277...
COVID-19 is “Airborne AIDS”: provocative oversimplification, emerging science, or something in between?
COVID-19 caused by SARS-CoV-2 is often compared to other pandemics for its societal
and global health impact, with some commentators drawing parallels to HIV/AIDS due
to the immune dysfunction caused ...
ajpmfocus.org
October 14, 2025 at 5:47 PM
Our new review compares SARS-CoV-2 & HIV on key similarities & outcomes:
–Immune cell (T&other) depletion & dysfunction
–Increases in other infections after COVID
–Rising incidence of signature diseases of immune deficiency
–Limitations of public response
ajpmfocus.org/article/S277...
–Immune cell (T&other) depletion & dysfunction
–Increases in other infections after COVID
–Rising incidence of signature diseases of immune deficiency
–Limitations of public response
ajpmfocus.org/article/S277...
+West Virginia
Pharmacists in West Virginia can now give COVID-19 vaccines without prescriptions -- and state recommendations based on those of medical societies for everyone over 6 months.
www.herald-dispatch.com/_zapp/pharma...
Pharmacists in West Virginia can now give COVID-19 vaccines without prescriptions -- and state recommendations based on those of medical societies for everyone over 6 months.
www.herald-dispatch.com/_zapp/pharma...
Pharmacists in West Virginia can now give COVID-19 vaccines without prescriptions
West Virginia pharmacists can now give COVID-19 shots without prescriptions, according to guidance issued Oct. 6 by the West Virginia Board of Pharmacy.
www.herald-dispatch.com
October 12, 2025 at 8:10 PM
+West Virginia
Pharmacists in West Virginia can now give COVID-19 vaccines without prescriptions -- and state recommendations based on those of medical societies for everyone over 6 months.
www.herald-dispatch.com/_zapp/pharma...
Pharmacists in West Virginia can now give COVID-19 vaccines without prescriptions -- and state recommendations based on those of medical societies for everyone over 6 months.
www.herald-dispatch.com/_zapp/pharma...
Japan gripped by massive flu outbreak: Hospitals struggle, schools shut
www.indiatoday.in/world/story/...
www.indiatoday.in/world/story/...
Japan gripped by massive flu outbreak: Hospitals struggle, schools shut
With flu cases expected to peak sooner than usual, authorities are urging people, especially the elderly, young children, and those with pre-existing conditions, to get vaccinated immediately.
www.indiatoday.in
October 10, 2025 at 7:15 PM
Japan gripped by massive flu outbreak: Hospitals struggle, schools shut
www.indiatoday.in/world/story/...
www.indiatoday.in/world/story/...
"Sonoma County...issued an order today requiring health care personnel and others to wear masks inside patient care areas of specified health care facilities. The health order...will take effect Nov. 1"
sonomacounty.gov/sonoma-count...
sonomacounty.gov/sonoma-count...
Sonoma County issues mask order for health facilities and encourages residents to get vaccinated for flu and COVID
Given the greater risk of COVID, flu and other respiratory virus-related illnesses over the fall and winter months, Sonoma County Interim Health Officer Dr. Karen Smith issued an order today requiring...
sonomacounty.gov
October 9, 2025 at 10:13 PM
"Sonoma County...issued an order today requiring health care personnel and others to wear masks inside patient care areas of specified health care facilities. The health order...will take effect Nov. 1"
sonomacounty.gov/sonoma-count...
sonomacounty.gov/sonoma-count...
"A sore knee brought you in, but you start to wonder if you might get sick as you take your seat next to an unmasked child with a runny nose.
And you’re right: Crowded spaces like these are the perfect setting for respiratory infections to spread."
www.thestar.com/opinion/cont...
And you’re right: Crowded spaces like these are the perfect setting for respiratory infections to spread."
www.thestar.com/opinion/cont...
Iris Gorfinkel: How politics, not science, is putting vulnerable patients and health care workers at risk
As a family doctor, I have seen first-hand the difference masking makes. Since my clinic adopted consistent masking, staff absences from colds, flus, and COVID‑19 have plummeted. Scaled across the
www.thestar.com
October 9, 2025 at 9:38 PM
"A sore knee brought you in, but you start to wonder if you might get sick as you take your seat next to an unmasked child with a runny nose.
And you’re right: Crowded spaces like these are the perfect setting for respiratory infections to spread."
www.thestar.com/opinion/cont...
And you’re right: Crowded spaces like these are the perfect setting for respiratory infections to spread."
www.thestar.com/opinion/cont...
Reposted by Yaneer Bar-Yam
WHN is hosting a Clean Air Panel Discussion tomorrow (10am–12pm EDT | 4pm–6pm CET)!
Join leading experts Dr. William Bahnfleth, Jim Rosenthal, Dr. Joe Vipond, and Aaron Collins for an engaging conversation on the importance of clean air, its role in protecting communities, (...)
Join leading experts Dr. William Bahnfleth, Jim Rosenthal, Dr. Joe Vipond, and Aaron Collins for an engaging conversation on the importance of clean air, its role in protecting communities, (...)
October 7, 2025 at 12:57 PM
WHN is hosting a Clean Air Panel Discussion tomorrow (10am–12pm EDT | 4pm–6pm CET)!
Join leading experts Dr. William Bahnfleth, Jim Rosenthal, Dr. Joe Vipond, and Aaron Collins for an engaging conversation on the importance of clean air, its role in protecting communities, (...)
Join leading experts Dr. William Bahnfleth, Jim Rosenthal, Dr. Joe Vipond, and Aaron Collins for an engaging conversation on the importance of clean air, its role in protecting communities, (...)
New insight from complexity science: from customer purchases to laws passed, many processes share universal life-paths of growth and decline. Hidden dynamics that cut across systems. 🧪
🔗 www.nature.com/articles/s41...
🔗 www.nature.com/articles/s41...
October 1, 2025 at 6:49 PM
New insight from complexity science: from customer purchases to laws passed, many processes share universal life-paths of growth and decline. Hidden dynamics that cut across systems. 🧪
🔗 www.nature.com/articles/s41...
🔗 www.nature.com/articles/s41...
WHN is hosting a Clean Air Panel Discussion on Wednesday, October 8 (10am–12pm EDT | 4pm–6pm CET). Join leading experts Dr. William Bahnfleth, Dr. Jim Rosenthal, Dr. Joe Vipond, and Aaron Collins for an engaging conversation on the importance of clean air
Register: necsi-edu.zoom.us/meeting/regi...
Register: necsi-edu.zoom.us/meeting/regi...
Welcome! You are invited to join a meeting: WHN Clean Air Panel Discussion. After registering, you will receive a confirmation email about joining the meeting.
Welcome! You are invited to join a meeting: WHN Clean Air Panel Discussion. After registering, you will receive a confirmation email about joining the meeting.
necsi-edu.zoom.us
September 29, 2025 at 9:09 PM
WHN is hosting a Clean Air Panel Discussion on Wednesday, October 8 (10am–12pm EDT | 4pm–6pm CET). Join leading experts Dr. William Bahnfleth, Dr. Jim Rosenthal, Dr. Joe Vipond, and Aaron Collins for an engaging conversation on the importance of clean air
Register: necsi-edu.zoom.us/meeting/regi...
Register: necsi-edu.zoom.us/meeting/regi...
Reposted by Yaneer Bar-Yam
Here's a Youtube link of Violet Affleck's full speech about COVID and clean air at the United Nations:
Violet Affleck's Fiery UN Speech On COVID and Clean Air
YouTube video by Lucky Tran
youtu.be
September 24, 2025 at 8:23 PM
Here's a Youtube link of Violet Affleck's full speech about COVID and clean air at the United Nations: