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Low numbers of COVID-19 in Swedish pediatric oncology patients during the first pandemic year despite an open society

Sundberg, Emil ; Georgantzi, Kleopatra ; Langenskiöld, Cecilia ; Król, Ladislav LU orcid ; Nilsson, Frans ; Vogt, Hartmut ; Palle, Josefine ; Ek, Torben and Nilsson, Anna (2022) In Pediatric Blood and Cancer 69(10).
Abstract

Background: Sweden adopted a different strategy than many other countries to combat the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic and kept most schools open. Initial reports from China suggested that coronavirus disease 2019 (COVID-19) was milder in children compared to adults, but there was a lack of data from immunocompromised children. Therefore, we investigated the rate of verified SARS-CoV-2 infections in our Swedish pediatric oncology patients. Procedure: This was a multicenter retrospective study. A questionnaire including patient data as well as SARS-CoV-2 data was sent to the six Swedish childhood cancer centers in May 2021. Results: During the first pandemic year, 49 patients were identified as... (More)

Background: Sweden adopted a different strategy than many other countries to combat the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic and kept most schools open. Initial reports from China suggested that coronavirus disease 2019 (COVID-19) was milder in children compared to adults, but there was a lack of data from immunocompromised children. Therefore, we investigated the rate of verified SARS-CoV-2 infections in our Swedish pediatric oncology patients. Procedure: This was a multicenter retrospective study. A questionnaire including patient data as well as SARS-CoV-2 data was sent to the six Swedish childhood cancer centers in May 2021. Results: During the first pandemic year, 49 patients were identified as SARS-CoV-2 positive, and 22 (45%) children were hospitalized with COVID-19. Two children needed intensive care, but no COVID-19-related deaths were reported. Most patients (n = 36, 73%) were on active chemotherapy treatment and 23 children (49%) attended school or daycare at least part-time. Half of the SARS-CoV-2-positive patients experienced a delay in cancer treatment. Conclusions: Despite the rapid spread of SARS-CoV-2 in Sweden, without a strict lockdown of the society, the number of nationally reported pediatric oncology patients with polymerase chain reaction (PCR)-verified infection was low, and the majority of children had mild disease. Our data show that treatment interruptions occurred frequently and this should clearly be avoided for the coming years.

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author
; ; ; ; ; ; ; and
publishing date
type
Contribution to journal
publication status
published
subject
keywords
COVID-19, hematology, oncology, pediatrics, SARS-CoV-2
in
Pediatric Blood and Cancer
volume
69
issue
10
publisher
John Wiley & Sons Inc.
external identifiers
  • pmid:35484955
  • scopus:85129219220
ISSN
1545-5009
DOI
10.1002/pbc.29750
language
English
LU publication?
no
id
cfd0939a-d0d4-44b8-81ec-4e6d13b24ced
date added to LUP
2022-08-15 12:33:12
date last changed
2024-04-18 13:05:53
@article{cfd0939a-d0d4-44b8-81ec-4e6d13b24ced,
  abstract     = {{<p>Background: Sweden adopted a different strategy than many other countries to combat the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic and kept most schools open. Initial reports from China suggested that coronavirus disease 2019 (COVID-19) was milder in children compared to adults, but there was a lack of data from immunocompromised children. Therefore, we investigated the rate of verified SARS-CoV-2 infections in our Swedish pediatric oncology patients. Procedure: This was a multicenter retrospective study. A questionnaire including patient data as well as SARS-CoV-2 data was sent to the six Swedish childhood cancer centers in May 2021. Results: During the first pandemic year, 49 patients were identified as SARS-CoV-2 positive, and 22 (45%) children were hospitalized with COVID-19. Two children needed intensive care, but no COVID-19-related deaths were reported. Most patients (n = 36, 73%) were on active chemotherapy treatment and 23 children (49%) attended school or daycare at least part-time. Half of the SARS-CoV-2-positive patients experienced a delay in cancer treatment. Conclusions: Despite the rapid spread of SARS-CoV-2 in Sweden, without a strict lockdown of the society, the number of nationally reported pediatric oncology patients with polymerase chain reaction (PCR)-verified infection was low, and the majority of children had mild disease. Our data show that treatment interruptions occurred frequently and this should clearly be avoided for the coming years.</p>}},
  author       = {{Sundberg, Emil and Georgantzi, Kleopatra and Langenskiöld, Cecilia and Król, Ladislav and Nilsson, Frans and Vogt, Hartmut and Palle, Josefine and Ek, Torben and Nilsson, Anna}},
  issn         = {{1545-5009}},
  keywords     = {{COVID-19; hematology; oncology; pediatrics; SARS-CoV-2}},
  language     = {{eng}},
  number       = {{10}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Pediatric Blood and Cancer}},
  title        = {{Low numbers of COVID-19 in Swedish pediatric oncology patients during the first pandemic year despite an open society}},
  url          = {{http://dx.doi.org/10.1002/pbc.29750}},
  doi          = {{10.1002/pbc.29750}},
  volume       = {{69}},
  year         = {{2022}},
}