ISOSS conducts active surveillance of HIV, hepatitis B and syphilis in pregnancy in England.

Joined October 2019
We are happy to announce we have launched a new look to our CHARS and ISOSS websites! To access an overview of our reporting, our resources and newest publications click the link below: ucl.ac.uk/population-health-… ucl.ac.uk/population-health-…
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New Lancet Regional Health paper: 67 ISOSS congenital syphilis cases in England (2015–24) show high morbidity & mortality, missed diagnostic opportunities & the role of social vulnerability. Common paediatric features included rash & jaundice tinyurl.com/2zhrpj2w
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The ISOSS Team are looking forward to attending the 4th UK HBV meeting on 21st - 22nd September, where Justin Willenborg and Alexandra David will be presenting. wcgvr.org/hbvmeeting2026.htm…
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In England (22-23), pregnant women living with hep B were less likely to access antenatal care early: 43.4% booked <10 wks gestation (61.3% in the general pregnant pop) and 1/5 experienced complex social factors. #WHD2026 calls for removing barriers between people and services.
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New government funding has been secured to provide mothers/birthing parents living with HIV with formula milk to feed their babies. Thank you public health minister @SharonHodgsonMP and predecessor @AshleyDalton_MP for their leadership. Read more: facebook.com/TerrenceHiggins…
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Our Summer newsletter is out now and packed with all the latest ISOSS and CHARS news. You can find our recent newsletters plus lots more on our website ucl.ac.uk/integrated-screeni…
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The new UKHSA STI report shows a decline in infectious syphilis diagnoses in England overall from 2024 to 2025, but an increase among heterosexual women by 4.8% gov.uk/government/statistics…
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UKHSA has released new provisional HIV diagnosis data to track progress of the HIV Action Plan 2025-2030. Provisional data indicates that new HIV diagnoses fell in England from 2,922 in 2024 to 2,542 in 2025. In 2025 there were 844 new diagnoses in women. tinyurl.com/43yy4u2h
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Syphilis cases are increasing in women in the UK aidsmap.com/news/may-2026/sy… ISOSS data showed an increase in the number of new diagnoses in pregnancy 2020-24. Congenital syphilis cases are also increasing with 79 transmissions in babies born 2015-24.
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The UK Health Security Agency has published the latest update to the Monitoring and Evaluation Framework for the HIV Action Plan for England: gov.uk/government/publicatio…
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Please take a look at our Spring newsletter out now and packed with all the latest ISOSS and CHARS news. You can find our recent newsletters plus lots more on our website ucl.ac.uk/integrated-screeni…
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ISOSS is celebrating "International Day of the Midwife" and would like to thank all of our respondents for their continued support over the past year. #internationaldayofthemidwife
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The ISOSS Team have had a great time at the #BHIVABASH2026 conference, catching up with our colleagues in sexual health and HIV. A huge thank you to our hosts. You can find all of our presentations on the ISOSS website: ucl.ac.uk/integrated-screeni… @BritishHIVAssoc @BASHH_UK
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ISOSS_UCL retweeted
Insights from @UKHSA on the scale, impact and missed opportunities of syphilis in the UK. Key actions; - To prevent infections and address inequalities. - Optimise testing beyond SHS. - Improve treatment pathways - End congenital syphilis #BHIVABASHH26
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Rebecca Sconza presents ISOSS data on “Incidence of clinically suspected or confirmed neonatal sepsis among infants born to women living with HIV in England (2019-23) at #BHIVABASHH2026 @BritishHIVAssoc @BASHH_UK
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“Very low—but not yet zero.” Helen Peters presents ISOSS data on HIV vertical transmission in England at #BHIVABASHH2026 Rate among diagnosed women (2022–23): 0.11%. Complex social factors and engagement challenges remain key @BritishHIVAssoc @BASHH_UK
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ISOSS_UCL retweeted
“Don’t forget the children” (In Meeting Room 3) Important launch at #BHIVABASHH26 from @ChivaProjects highlighting a critical gap in HIV care. The HIV status of all children of adults living with HIV, including adult children, should be known and confirmed Too many are still being missed. chiva.org.uk/wp-content/uplo…
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The ISOSS Team having a fantastic time at the #BHIVABASHH26 poster session, presenting our 2020–24 data on HIV and syphilis in pregnancy. Sharing our insights on HIV: late presentation in antenatal care and new syphilis diagnoses during pregnancy. @BritishHIVAssoc @BASHH_UK
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ISOSS_UCL retweeted
Congenital syphilis is rising with poor infant outcomes. Late booking + low antenatal care engagement drive risk, and many cases occur after a negative screen. We need better education, repeat testing awareness and targeted strategies 🚨#BASHHBHIVA26
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