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Yaneer Bar-Yam

@yaneerbaryam87k followers

Complex Systems Physicist | President of @NECSI | coFounder @TheWHN join me

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1Oct 27, '23New paper on Masks: Some claim scientific studies show masks don’t work, or that surgical masks are as good as N95s. Just released paper shows this claim is false. Masks work, and 47.1×1.2M5.8k2.1k1.8k
2Jun 29, '23"I am not angry because the submarine was badly-made. I am angry because I live in a vastly larger pressure vessel being managed and maintained by the exact same people." "a perfec32.5×835k9.4k3k588
3Nov 28, '23Direct evidence for COVID causing more infections of RSV published last month RSV risk 40% higher (RR 1.4) after COVID Association of COVID-19 with RSV infections in children aged 25.9×664k2.1k945695
4Jan 22, '23German Health Minister: Anyone who gets infected with corona more often runs the risk of developing an incurable immune deficiency. Roughly 50 scientific papers showing this now.23.8×610k5.4k2.4k972
5Mar 16, '20BREAKING: Coronvirus Outbreak. One week after Italy's national lockdown (8 days after the north), Italy has three days with same number of new cases. This means 5 days after lockdo23.4×035k11k640
6Apr 5, '20BREAKING: Coronavirus Outbreak. Good news on multiple fronts US today now at 23,373, yesterday at this time was 30,571. Also, over 5,000 new recovered yesterday Italy, Spain and Ir14.9×023k6.8k145
7Aug 1, '23We’re now finding out the damaging results of the mandated return to the office–and it’s worse than we thought 1/14.7×377k2.1k569461
8Jul 30, '25Breakthrough study: COVID-19 reactivates dormant breast cancer, triggering deadly metastasis (shown in mice). In humans, cancer survivors who got COVID had 4.5× higher cancer-relat12.6×324k2.5k1.2k1.3k
9Oct 28, '23Something must be happening now when a three year old paper about pervasive damage from COVID to blood vessels in children is suddenly in the news. This damage has many consequence11.7×301k2.5k709417
10Jul 28, '24Covid travel warning issued to anyone going on holiday to Greece, Portugal and other EU countries "The WHO has issued a stark warning to tourists heading abroad for the summer holi10.5×271k2.6k879472
11Dec 13, '20I have been working on pandemic outbreaks for 15 years. There is a misunderstanding of the difference between the response in much of the West, versus successful countries (includi10.3×011k4.4k1.8k
12Jan 19, '23"The real turning point of this pandemic may not be the lifting of Covid zero in China, nor Kraken in NYC, but rather Davos 2023: The world has just realized that the rich and powe9.5×244k3.2k1.4k145
13Mar 26, '23South Korea: Government funds mandatory air purifiers at schools "The South Korean government on Tuesday passed a revised school health act to improve quality of air and safety at 8.6×220k1.8k540116
14Feb 27, '23Some people continue to consider infections to be positive “Because they protect you from getting infected” … wait what? Share this so they can better see the iceberg. Avoid iceber8.1×208k1.6k641285
15Nov 27, '23Well over 100 scientific articles describe immune system damage caused by COVID. This provides a direct causal scientific explanation of unprecedented outbreaks of many other disea7.7×198k1.7k672488
16Jun 5, '23Study: Stopping universal admission testing was linked to significant increases in hospital-onset SARS-CoV-2 infections. Hospital infections remain common with high mortality rates5.9×151k1.4k53571
17May 8, '23Any statement that the pandemic is over is a political one — with 1,000 weekly deaths reported by CDC in the US alone. Those who want to protect themselves from infection, long cov5.7×145k1.9k61199
18Jun 21, '24Long Covid expert: all infections have "prolonged consequences" "If it seems like everyone you know is sicker now than ever before, it's not just your imagination. A recent analysi5.5×142k2.1k860748
19Jan 25, '24"Hundreds of doctors are planning to sue the NHS over claims inadequate PPE on the frontline has left them with long COVID, disabled, and in financial ruin.5.4×137k2.1k746158
20Nov 24, '22Important! Share this article with everyone. It is outstanding I will post excerpts 1/ You May Be Early, but You're Not Wrong: A Covid Reading List, by @JessicaLexicus4.7×04k1.9k1.9k
21Jan 30, '22Merchants of herd death oversold immunity. People are being reinfected immediately again after Omicron infection. We have the data: Both laboratory experiments and actual cases. 1/4.7×04.3k2.2k885
22Jan 19, '24"Long Covid: NHS legal action launched by family of girl "The mother of an 11-year-old Aberdeenshire girl with long Covid has launched a legal action against their health board, in4.6×119k1.7k475197
23Oct 7, '23Two studies show that autoimmune diseases are dramatically higher after covid infections Study #1: Autoimmune and Autoinflammatory Connective Tissue Disorders Following COVID-194.6×117k1.6k588483
24Dec 29, '24Update: Today's summary: China, India, UK report overwhelmed healthcare systems. Stay tuned.4.5×116k1.9k492193
25Jun 20, '22Extremely important paper on: Outcomes of Covid Reinfection Compared to those with first infection, reinfection led to increased risk at 6 months of: mortality by 2.38%, hospitaliz4.3×03.9k2k1.1k
26Jun 14, '23has 14,000 members. Many are not aware of the opportunity to reach out to others who are still taking precautions, and that it has groups and a directory of safer businesses.4.2×108k1.3k446264
27Dec 19, '23"Singapore has reintroduced the mandatory use of masks in crowded places, particularly indoors. "The dominant strain responsible for this uptick in cases has been identified as JN.4.1×105k1.5k65785
28Sep 3, '25🚨 Massachusetts overrides FDA & CDC limits: Gov. Healey orders COVID boosters available to all residents 5+ at pharmacies. A direct challenge to federal restrictions. For kids4.1×104k6.5k1.3k167
29Sep 26, '23New poll: Signal of change of direction on the pandemic. Many Americans (about 50%) want a mask mandate. By party reported: 75% of Democrats, 33% of Republicans, and 45% independen4.1×104k1.5k56098
30Aug 10, '23Rarely does the press publish an article on long covid that tells it like it is. Here is one: Long covid has derailed my life. Make no mistake: It could yours, too.4.0×103k1.7k667309
31May 7, '20I have lost my mother to COVID. May her light shine bright forever in the places that truly matter.4.0×07.4k522173
32May 31, '22Shanghai just finished a 2 month lockdown. They went all out and stopped the pandemic using a dynamic zero covid strategy, including both lockdown and mass testing. People are out 3.9×05.4k802241
33Apr 1, '21Zero Covid: 42 times fewer deaths and five times less contraction in GDP "Paris, April 2, 2021: The Zero Covid strategy is by far the most effective way to fight the current pandem3.7×04.4k1.7k375
34Mar 2, '22State of the Union: Testing was required to attend. 5 senators & congressmen tested positive and did not attend. They are telling children and workers to go to school and work 3.6×06.4k1.4k124
35Mar 13, '22New Research: Stop "infection-based immunity" claims completely: SARS-CoV-2 INFECTS T lymphocytes! Direct damage to the immune system. Why has this been hard to see? Answer: The in3.5×03.1k1.5k919
36Aug 27, '23More hospitals reinstating mask mandates. Everyone should be asking: Why did people have to get infected in order for them to do so? Since hospital infection control experts are ta3.3×85k1.6k44133
37May 3, '20Overwhelming data says opening prematurely will increase cases, escalate loss of life and economic harm. Countries that acted late to impose social distancing and testing are suffe3.2×03.5k1.9k177
38Feb 6, '23Upgrading PPE for staff working on COVID-19 wards cut hospital-acquired infections dramatically 1/3.2×81k1.3k39896
40Dec 23, '21UK data: Omicron is as severe as Delta for cases that would be infected by Delta, and infects people who would not be infected by Delta (due to immunity of prior infection or vacci3.0×03.5k1.3k521
41Feb 28, '21How did India go from 90,000 cases per day to just over 10,000? Answer is compelling The big picture: Three things are important to stop the pandemic: Travel restrictions (Internat3.0×03.6k1.5k292
42Dec 24, '24Update Masking: Dana Farber Cancer Institute now requires masking of all patients, visitors, and staff at all locations. It is essential to protect patients and staff from airborne2.9×75k3.2k666137
43Oct 9, '25The data are in: kids repeatedly infected with COVID show kidney damage, brain effects, and multi-organ symptoms. While society debated “learning loss,” it ignored cognitive loss. 2.9×74k1.6k510249
44Oct 30, '25Looks like Tom Hanks got the memo — N95s for the win! 👏 Thanks to everyone for helping make clean air common sense — and to Tom for leading by example.2.9×73k1.9k28970
45Nov 27, '22New study: Men infected with COVID have one third less sperm compared to uninfected men over 3 months later. Of 100 men infected and not hospitalized four had no viable sperm. Of 12.8×02.6k1.3k597
46May 20, '22Four pandemic urgent news stories to keep up with: 1. Monkeypox 2. Hepatitis in children 3. Covid cases high and growing rapidly in the US 4. Economic harm of Long Covid2.8×04.3k1.3k179
47Sep 9, '21When the virus is circulating in a vaccinated population, variants that are more rapidly transmitting are selected for --- those are vaccine evading variants. By vaccinating withou2.8×03.4k1.3k279
48Dec 4, '21New Study on Mask Effectiveness: Uninfected three meters from infected person is infected in less than five minutes with near 100% certainty. If both wear FFP2 (like N95/KN95) mask2.7×03k1.3k537
49Jan 31, '25"The COVID-19 epidemic has confirmed that wearing masks, maintaining social distance, and increasing ventilation in indoor spaces can effectively reduce infection."2.7×70k3.5k804273
50Feb 25, '21How did India go from 90,000 cases per day to just over 10,000? Answer is riveting Start with Dharabi, largest slum in Asia: Impressive community case finding, contact tracing, iso2.7×03k1.2k419
51May 3, '22Statement: I am Yaneer Bar-Yam, Professor and founding president of the New England Complex Systems Institute. I work on mathematical analyses to identify the variables necessary a2.6×02.8k1k596
52Aug 5, '20Manifest brain damage in 55% COVID-19 patients ..higher bilateral gray matter volumes (GMV) in olfactory cortices, hippocampi, insulas, left Rolandic operculum.. No significant dif2.6×02k1.3k505
53Oct 5, '21COVID-19 must be eliminated, not become endemic, if America is to survive "More and more people seem to be accepting the idea the future will include COVID-19. "Those people don’t 2.4×02.2k967429
54Feb 8, '22Human DNA has remnants of ancient viral infections called Human Endogenous Retroviruses(HERV) New study: COVID activates HERV-W in immune T-Cells & microglial brain cells, and 2.3×02.3k957600
55Jan 11, '22Japan study on Omicron: Peak infectiousness days 3-6 and infectious up to at least 10 days. Everyone should make sure to isolate at least 10 days and test before exit. CDC should r2.3×02.6k1.3k197
56Jul 16, '22Get Ready for the Forever Plague [—Or Take Action] "Public health officials’ COVID complacency has opened the door to new illnesses and devastating long-term damage. @TheTyee 1/2.1×02.4k876450
57Feb 17, '22Study: Evidence of major differences between Omicron BA.2 and BA.1: BA.2 has 1. Higher R 1.4X (growing around the world) 2. More vaccine evading 3. Resistant to BA.1 induced immuni2.0×01.9k1k303
58Jan 10, '21CovidZero: How to end the pandemic in 5 weeks CovidZero is an EXIT strategy. 1/1.9×02.1k812303
60Apr 15, '22Variants accelerating, as expected, score card: From Omicron subvariants: BA.1, BA.1.1, and BA.2 Now: XD and XF hybrids of Delta and BA.1 XE hybrid of Omicron BA.1 and BA.2 BA.4, B1.8×02.3k833258
61Apr 19, '20Compare Spain and Greece: What difference does two weeks make? 100X1.8×01.9k1.1k94
62Jul 15, '22Herd immunity for COVID was a batshit crazy idea based upon assumptions only justified by wishful thinking, not science. It should never have influenced policy in the real world. I1.7×02.3k768143
63Sep 27, '22What have we been learning about long covid? The first thing is to answer questions that try to look for reasons it isn’t bad: - Maybe it is in your mind: No, it is real biological1.7×02k678389
64Mar 16, '20Fear mongering about lockdowns lasting for months is wrong. If we really lock down, in 2 weeks we know everyone infected now. They can be isolated. The next two weeks only people t1.6×01.8k895103
65Oct 8, '22Strokes, heart attacks, sudden deaths: Does America understand the long-term risks of catching COVID? 1/1.6×01.8k702273
66Dec 14, '21With a doubling rate of 2-3 days, if transmission is stopped when hospitals overflow, at that moment there are already 100X more infections that will need hospitalization 2 weeks l1.5×02.2k67274
68Apr 7, '22"Catching Covid is associated with a fivefold increase in the risk of deep vein thrombosis (DVT) and a 33-fold increase in risk of a potentially fatal blood clot on the lung in the1.5×01.6k839228
69Jan 12, '22Omicron is so contagious, stay away from people even outdoors and even wearing a mask.1.5×01.4k38886
70Aug 28, '21UK prime minister Boris Johnson this week has been reported to say it’s OK if 1000 people die from COVID every week. No action will be taken to prevent it. 1/1.4×01.8k69865
71Jan 17, '22“Living with the virus” has failed. The wishful thinking, the regression to allowing biology to dominate society, the idea of normality of widespread disease has not worked. No way1.4×02k65383
72May 2, '22Prevalence of Long Covid is now estimated to be 51-80% across all infections including asymptomatic, mild and severe. We keep finding more of it.1.4×01.5k715233
73Feb 9, '20BREAKING: Dramatic drop in new China Coronavirus case counts today. Confirmed (blue dots in attached) and suspected (red dots) declined. As recent days suggested, once counts decre1.3×01.8k56758
74May 30, '22Outrageous statement by WHO for Monkeypox: "Case fatality is not very high because it is 3-6%" with most deaths occurring in younger age groups.1.3×01.8k538103
75Oct 18, '21👇It hurts to see this. It hurts to think about those who are ventilated.1.3×02k59449
77Sep 22, '20Taiwan: no unemployment, education system is as normal, of 23Mil 7 died. Zero community infection for months Sweden: unemployment, limited education, of 10Mil 5,870 died, huge numb1.2×01.7k55083
78Jul 19, '22California Mask Mandate Returns as Schools Says Wear Masks or Stay Home 1/1.2×01.7k51041
79Jan 5, '22More than 1,000 faculty members at Univ of Michigan have vowed to teach online today, or to help those who do, defying an order from president Mark Schlissel. Faculty members say t1.1×01.8k45139
80Jan 21, '22Endemic diseases 100 years ago in the US: Small pox, Malaria, Polio, Measles, Rubella, Diphtheria.1.1×01.8k45866
91Nov 15, '21If one measure, vaccination soon after a shot, prevents infection by a factor of 1 in 20X (95%), and another, say good masking, prevents infection by a factor of 1 in 50X (98%) and0.9×01.3k36047
94May 9, '22When the virus becomes better at infecting people, people have to get better at preventing infection.0.9×01.6k29717

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