Dr Joe Pajak

2K Followers
1.8K Following
9.4K Posts
PhD ⚛️ physical chemistry - research studying air entrainment at a solid/liquid/gas interface
Fellow: Royal Society of Chemistry
Chartered Scientist
🏳️‍🌈 🇪🇺 🇬🇧 🇵🇱 🇮🇪 🇺🇦 🇮🇹
🌬#SARSCoV2 is an #airborne virus
💙NHS FT Hospital Governor
❗Long COVID matters
💙EU citizen
#AirPollution, #WaterPollution: both are major health risks
➡️https://bsky.app/profile/drjoepajak.bsky.social
https://mastodon.online/@JoePajak
https://threads.net/@joe.pajak
🌬️🌀Clean air matters so much!
BlueSkyhttps://drjoepajak.bsky.social
NEW EUROPEAN article Oct 2021https://www.theneweuropean.co.uk/boris-johnson-covid-response-dr-joe-pajak/
Substackhttps://substack.com/@joepajak?
Petition Direct the UKHSA to monitor COVID infections that occur in particular settingshttps://petition.parliament.uk/petitions/732047
HAIs Are the Silent Endemic: Why the Numbers Don’t Add Up

Health care–associated infections (HAIs) remain underestimated, driven by evolving pathogens, environmental reservoirs, and biofilm persistence. Experts argue outdated data and overreliance on hand hygiene obscure the true, growing burden of preventable infections.

Infection Control Today
HAIs Are the Silent Endemic: Why the Numbers Don’t Add Up

Health care–associated infections (HAIs) remain underestimated, driven by evolving pathogens, environmental reservoirs, and biofilm persistence. Experts argue outdated data and overreliance on hand hygiene obscure the true, growing burden of preventable infections.

Infection Control Today
50 years of data reveal higher death risks in London transport workers

A 50-year retrospective cohort study of 117,166 Transport for London workers found that bus and London Underground job categories had higher all-cause, respiratory, cardiovascular, and lung cancer mortality than office workers. The authors caution that broad job categories, missing cause-of-death data, and unmeasured confounding mean the findings show association, not proof of specific occupational causes.

News-Medical
50 years of data reveal higher death risks in London transport workers

A 50-year retrospective cohort study of 117,166 Transport for London workers found that bus and London Underground job categories had higher all-cause, respiratory, cardiovascular, and lung cancer mortality than office workers. The authors caution that broad job categories, missing cause-of-death data, and unmeasured confounding mean the findings show association, not proof of specific occupational causes.

News-Medical
Unedited findings from large TfL worker cohort suggest higher long‑term mortality in bus and LU staff than office workers, data gaps so results need cautious interpretation.
@andrefsamaral.bsky.social et al @imperialnhli.bsky.social
https://www.nature.com/articles/s41598-026-45200-1
Study raises important questions?
Mortality in a cohort of transport for London workers - Scientific Reports

Transport workers face various occupational hazards, however long-term effects on mortality are less understood. Transport for London (TfL) employs almost 30,000 workers across a wide range of transport-based jobs and working environments. This study aimed to characterise mortality among TfL employees, and investigate long-term health outcomes. A retrospective cohort was formed using cause of death data from the TfL pension fund for employees working between 1960 and 2010. Workers were grouped by job title and Cox proportional hazard models were used to assess all-cause, respiratory, cardiovascular, and cancer mortality. Bus (hazard ratio HR 1.17, 95% confidence interval CI 1.09–1.25) and London Underground (LU) (HR 1.23, 95% CI 1.15–1.32) workers had significantly higher risks of all-cause, as well as respiratory, cardiovascular, and cancer mortality when compared to office workers. Mortality rates did not differ significantly between bus and LU workers, potentially due to shared occupational or lifestyle risk factors. In this large subway cohort study, mortality rates over 50 years were greater among bus and LU workers compared to office employees. However, findings should be interpreted cautiously due to limitations in data availability and unmeasured confounders. Future prospective studies should address these limitations by collecting detailed health and exposure data.

Nature
Unedited findings from large TfL worker cohort suggest higher long‑term mortality in bus and LU staff than office workers, data gaps so results need cautious interpretation.
@andrefsamaral.bsky.social et al @imperialnhli.bsky.social
https://www.nature.com/articles/s41598-026-45200-1
Study raises important questions?
Mortality in a cohort of transport for London workers - Scientific Reports

Transport workers face various occupational hazards, however long-term effects on mortality are less understood. Transport for London (TfL) employs almost 30,000 workers across a wide range of transport-based jobs and working environments. This study aimed to characterise mortality among TfL employees, and investigate long-term health outcomes. A retrospective cohort was formed using cause of death data from the TfL pension fund for employees working between 1960 and 2010. Workers were grouped by job title and Cox proportional hazard models were used to assess all-cause, respiratory, cardiovascular, and cancer mortality. Bus (hazard ratio HR 1.17, 95% confidence interval CI 1.09–1.25) and London Underground (LU) (HR 1.23, 95% CI 1.15–1.32) workers had significantly higher risks of all-cause, as well as respiratory, cardiovascular, and cancer mortality when compared to office workers. Mortality rates did not differ significantly between bus and LU workers, potentially due to shared occupational or lifestyle risk factors. In this large subway cohort study, mortality rates over 50 years were greater among bus and LU workers compared to office employees. However, findings should be interpreted cautiously due to limitations in data availability and unmeasured confounders. Future prospective studies should address these limitations by collecting detailed health and exposure data.

Nature
Unedited findings from large TfL worker cohort suggest higher long‑term mortality in bus & LU staff than office workers, data gaps so results need cautious interpretation.
@andrefsamaral.bsky.social et al @imperialnhli.bsky.social
https://www.nature.com/articles/s41598-026-45200-1
https://www.news-medical.net/news/20260326/50-years-of-data-reveal-higher-death-risks-in-London-transport-workers.aspx?
Mortality in a cohort of transport for London workers - Scientific Reports

Transport workers face various occupational hazards, however long-term effects on mortality are less understood. Transport for London (TfL) employs almost 30,000 workers across a wide range of transport-based jobs and working environments. This study aimed to characterise mortality among TfL employees, and investigate long-term health outcomes. A retrospective cohort was formed using cause of death data from the TfL pension fund for employees working between 1960 and 2010. Workers were grouped by job title and Cox proportional hazard models were used to assess all-cause, respiratory, cardiovascular, and cancer mortality. Bus (hazard ratio HR 1.17, 95% confidence interval CI 1.09–1.25) and London Underground (LU) (HR 1.23, 95% CI 1.15–1.32) workers had significantly higher risks of all-cause, as well as respiratory, cardiovascular, and cancer mortality when compared to office workers. Mortality rates did not differ significantly between bus and LU workers, potentially due to shared occupational or lifestyle risk factors. In this large subway cohort study, mortality rates over 50 years were greater among bus and LU workers compared to office employees. However, findings should be interpreted cautiously due to limitations in data availability and unmeasured confounders. Future prospective studies should address these limitations by collecting detailed health and exposure data.

Nature
Unedited findings from large TfL worker cohort suggest higher long‑term mortality in bus & LU staff than office workers, data gaps so results need cautious interpretation.
@andrefsamaral.bsky.social et al @imperialnhli.bsky.social
https://www.nature.com/articles/s41598-026-45200-1
https://www.news-medical.net/news/20260326/50-years-of-data-reveal-higher-death-risks-in-London-transport-workers.aspx?
Mortality in a cohort of transport for London workers - Scientific Reports

Transport workers face various occupational hazards, however long-term effects on mortality are less understood. Transport for London (TfL) employs almost 30,000 workers across a wide range of transport-based jobs and working environments. This study aimed to characterise mortality among TfL employees, and investigate long-term health outcomes. A retrospective cohort was formed using cause of death data from the TfL pension fund for employees working between 1960 and 2010. Workers were grouped by job title and Cox proportional hazard models were used to assess all-cause, respiratory, cardiovascular, and cancer mortality. Bus (hazard ratio HR 1.17, 95% confidence interval CI 1.09–1.25) and London Underground (LU) (HR 1.23, 95% CI 1.15–1.32) workers had significantly higher risks of all-cause, as well as respiratory, cardiovascular, and cancer mortality when compared to office workers. Mortality rates did not differ significantly between bus and LU workers, potentially due to shared occupational or lifestyle risk factors. In this large subway cohort study, mortality rates over 50 years were greater among bus and LU workers compared to office employees. However, findings should be interpreted cautiously due to limitations in data availability and unmeasured confounders. Future prospective studies should address these limitations by collecting detailed health and exposure data.

Nature
Reports that a new Australian review finds vaping may raise cancer risk, highlighting uncertainties around long‑term health effects.
More research is underway to clarify the dangers.
Source: Lauren Roberts, https://www.abc.net.au/
#Vaping
https://www.abc.net.au/news/health/2026-03-31/vaping-cancer-likely-to-cause-cancer-australian-research/106503804 #HealthNews #CancerResearch
ABC News & Headlines – Australian Broadcasting Corporation

Follow the latest headlines from ABC News, Australia's most trusted media source, with live events, audio and on-demand video from the national broadcaster.

Reports that a new Australian review finds vaping may raise cancer risk, highlighting uncertainties around long‑term health effects.
More research is underway to clarify the dangers.
Source: Lauren Roberts, https://www.abc.net.au/
#Vaping
https://www.abc.net.au/news/health/2026-03-31/vaping-cancer-likely-to-cause-cancer-australian-research/106503804 #HealthNews #CancerResearch
ABC News & Headlines – Australian Broadcasting Corporation

Follow the latest headlines from ABC News, Australia's most trusted media source, with live events, audio and on-demand video from the national broadcaster.