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Publications until June 2024. See 听for additional publications.听
2024
Behnood, S., Newlands, F., O鈥橫ahoney, L., Haghighat Ghahfarokhi, M., Muhid, M. Z., Dudley, J., ... & Takeda, A. (2023). Persistent symptoms are associated with long term effects of COVID-19 among children and young people: Results from a systematic review and meta-analysis of controlled studies.听Plos one,听18(12), e0293600.听
Foret-Bruno, P., Shafran, R., Stephenson, T., Nugawela, M. D., Chan, D., Ladhani, S., ... & Pereira, S. M. P. (2024). Prevalence and co-occurrence of cognitive impairment in children and young people up to 12-months post infection with SARS-CoV-2 (Omicron variant).听Brain, Behavior, and Immunity.听
Newlands, F., Lewis, C., d鈥橭elsnitz, A., Pinto Pereira, S. M., Stephenson, T., Chalder, T., ... & Shafran, R. (2024). 鈥淧eople don鈥檛 have the answers鈥�: A qualitative exploration of the experiences of young people with Long COVID.听Clinical Child Psychology and Psychiatry, 13591045241252463.听
Panagi, L., White, S. R., Pinto Pereira, S. M., Nugawela, M. D., Heyman, I., Sharma, K., ... & Shafran, R. (2024). Mental health in the COVID-19 pandemic: A longitudinal analysis of the CLoCk cohort study.听PLoS Medicine,听21(1), e1004315.听
Pinto Pereira, S. M., Nugawela, M. D., Stephenson, T., Foret-Bruno, P., Dalrymple, E., Xu, L., ... & Shafran, R. (2024). Post-Covid-19 condition (Long Covid) in children and young people 12 months after infection or reinfection with the Omicron variant: a prospective observational study.听Scientific Reports,听14(1), 9957.听
Stephenson, T., & Shafran, R. (2024). Long COVID in non-hospitalised children and young people: A national matched cohort study.(The CLoCk study).听Global Pediatrics,听7, 100133.听
2023
McOwat, K., Pinto Pereira, S. M., Nugawela, M. D., Ladhani, S. N., Newlands, F., Stephenson, T., ... & Shafran, R. (2023). The CLoCk study: A retrospective exploration of loneliness in children and young people during the COVID-19 pandemic, in England.鈥疨loS one,鈥�18(11), e0294165.鈥�
Newlands, F., Goddings, A. L., Juste, M., Boyd, H., Nugawela, M. D., Pinto Pereira, S. M., ... & Shafran, R. (2023). Children and young people with long COVID鈥攃omparing those seen in post-COVID services with a non-hospitalised national cohort: a descriptive study.鈥疌hildren,鈥�10(11), 1750.鈥�
Newlands, F., Rojas, N. K., Nugawela, M., Pinto Pereira, S. M., Buszewicz, M., Chalder, T., ... & Shafran, R. (2023). A cross-sectional study of the health of emerging young adults in England following a COVID-19 infection.鈥疛ournal of Adolescent Health.鈥�
Nugawela, M. D., Pinto Pereira, S. M., Rojas, N. K., McOwat, K., Simmons, R., Dalrymple, E., ... & CLoCk Consortium. (2023). Data Resource Profile: the Children and Young People with Long COVID (CLoCk) Study.鈥疘nternational Journal of Epidemiology.鈥�
Pinto Pereira, S. M., Nugawela, M. D., McOwat, K., Dalrymple, E., Xu, L., Ladhani, S. N., ... & Stephenson, T. (2023). Symptom profiles of children and young people 12 months after SARS-CoV-2 testing: a national matched cohort study (The CLoCk Study).鈥疌hildren,鈥�10(7), 1227.鈥�
Pinto Pereira, S. M.,鈥疦ugawela, M. D., Rojas, N. K., Shafran, R., McOwat, K., Simmons, R., ... & Stephenson, T. (2023). Post-COVID-19 condition at 6 months and COVID-19 vaccination in non-hospitalised children and young people.鈥疉rchives of Disease in Childhood.
Pinto Pereira, S.M.,鈥疦ugawela, M.D.,鈥疢cOwat, K.,鈥疍alrymple, E.,鈥疿u, L.,鈥疞adhani, S.N., Simmons, R.,鈥疌halder, T.,鈥疭wann, O.,鈥疐ord, T.,鈥疕eyman, I., Segal, T., Semple, M.G., Rojas, N., CLoCk Consortium, Shafran, R. and Stephenson, T.鈥�疭ymptom Profiles of Children and Young People 12 Months after SARS-CoV-2 Testing: A National Matched Cohort Study (The CLoCk Study).鈥疌hildren鈥�2023,鈥�10, 1227.鈥�
Pinto Pereira, S. M., Mensah, A., Nugawela, M. D., Stephenson, T., Ladhani, S. N., Dalrymple, E., ... Shafran, R. Long Covid in Children and Youth after Infection or Reinfection with the Omicron Variant: A Prospective Observational Study.鈥疛ournal of Pediatrics.鈥�
Rojas, N, K., De Stavola, B.鈥疞., Norris, T., Cortina-Borja, M., Nugawela, M. D., Hargreaves, D., ...& Pinto Pereira, S. M. (2023).鈥疍eveloping survey weights to ensure representativeness in a national, matched cohort study: results from the Children and young people with Long Covid (CLoCk) study.鈥疨reprint.鈥�
Schneider, V., Norris, T., Nugawela, M., Dalrymple, E., Hargreaves, D., K盲ll, A., ... & Pinto Pereira, S. M. (2023). Loneliness trajectories, associated factors and subsequent health in children and young people during the COVID-19 pandemic: a national matched cohort study.鈥疨sychology Research and Behavior Management, 4461-4477.听
Stephenson, T., Pinto Pereira, S. M., Nugawela, M, D., McOwat, K., Simmons, R., Chalder, T., ... & Shafran, R. (2023). Long COVID鈥攕ix months of prospective follow-up of changes in symptom profiles of non-hospitalised children and young people after SARS-CoV-2 testing: A national matched cohort study (The CLoCk) study.鈥疨los one,鈥�18(3), e0277704.鈥�
2022
Bertran, M., Pereira, S. M. P., Nugawela, M. D., Stephenson, T., Shafran, R., Ford, T., ... & Ladhani, S. N. (2022). The relationship between post COVID symptoms in young people and their parents.鈥疛ournal of Infection,鈥�85(6), 702-769.鈥�
Bertran, M., Pinto Pereira, S. M.,鈥疦ugawela, M. D., Stephenson, T. J., Shafran, R., Ford, T., ... & Ladhani, S. N. (2022, August 14).鈥疉ssociation between Parents Experiencing Ongoing Problems from COVID-19 and Adolescents Reporting Long COVID Six Months after a Positive or Negative SARS-CoV-2 PCR-Test: Prospective, National Cohort Study in England.鈥疛ournal of Infection.听
Nugawela, M. D., Stephenson, T., Shafran, R., De Stavola, B. L., Ladhani, S. N., Simmons, R., ... & Pinto Pereira, S. M. (2022).鈥疍eveloping a model for predicting impairing physical symptoms in children 3 months after a SARS-CoV-2 PCR-test: The CLoCk Study.鈥疊MC Medicine.鈥�
Nugawela, M. D., Stephenson, T., Shafran, R., De Stavola, B. L., Ladhani, S. N., Simmons, R., ... & Pinto Pereira, S. M. (2022). Predictive model for long COVID in children 3 months after a SARS-CoV-2 PCR test.鈥疊MC medicine,鈥�20(1), 465.鈥�
Pinto Pereira, S. M., Shafran, R., Nugawela, M. D., Panagi, L., Hargreaves, D., Ladhani, S. N., ... & Stephenson, T. (2022). Natural course of health and well-being in non-hospitalised children and young people after testing for SARS-CoV-2: A prospective follow-up study over 12 months.鈥疶he Lancet Regional Health-Europe, 100554.鈥�
Stephenson, T., Allin, B., Nugawela, M. D., Rojas, N., Dalrymple, E., Pinto Pereira, ... & Shafran, R. (2022). Long COVID (post-COVID-19 condition) in children: a modified Delphi process.鈥疉rchives of Disease in Childhood.鈥�
Stephenson, T., Pinto Pereira, S. M., Shafran, R., Stavola, B. L. de, Rojas, N., McOwat, K., ... & Chalder, T. (2022). Physical and mental health 3 months after SARS-CoV-2 infection (long COVID) among adolescents in England (CLoCk): a national matched cohort study.鈥疶he Lancet Child & Adolescent Health.听
Stephenson, T., Shafran, R., & Ladhani, S. N. (2022). Long COVID in children and adolescents.鈥疌urrent Opinion in Infectious Diseases,鈥�35(5), 461鈥�467.鈥�
2021
Behnood, S., Shafran, R., Bennett, S., Zhang, A., O鈥橫ahoney, L., Stephenson, T., ... & Swann, O. (2021). Persistent symptoms following SARS-CoV-2 infection among children and young people: a meta-analysis of controlled and uncontrolled studies.鈥疛ournal of Infection.
Stephenson, T., Shafran, R., Stavola, B. D., Rojas, N., Aiano, F., Amin-Chowdhury, Z., McOwat, K., ... & Ladhani, S. N. (2021). Long COVID and the mental and physical health of children and young people: national matched cohort study protocol (the CLoCk study).鈥疊MJ Open,鈥�11(8), e052838.鈥�