Evidence map›Paper›PMID 33031941›Full record

ArticleInternational journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases2020

Antibody responses after COVID-19 infection in patients who are mildly symptomatic or asymptomatic in Bangladesh.

Tahmina Shirin, Taufiqur Rahman Bhuiyan, Richelle C Charles, Shaheena Amin, Imran Bhuiyan, Zannat Kawser, Asifuzaman Rahat, Ahmed Nawsher Alam, Sharmin Sultana, Md Abdul Aleem and 11 more

Abstract read
In one paragraph

Article in International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

42 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Smell Outcome and Seropositivity Titre in Post-COVID-19 Patients.ORL; journal for oto-rhino-laryngology and its related specialties · 2023
    Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

21 authors.

Tahmina ShirinInstitute of Epidemiology, Disease Control and Research, Dhaka, Bangladesh.
Taufiqur Rahman BhuiyanInfectious Diseases Division, icddr,b, Mohakhali, Dhaka, Bangladesh.
Richelle C CharlesDivision of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA; Departments of Medicine and Pediatrics, Harvard Medical School, Boston, MA, USA.
Shaheena AminInfectious Diseases Division, icddr,b, Mohakhali, Dhaka, Bangladesh.
Imran BhuiyanInstitute for Developing Science & Health Initiatives (ideSHi), Dhaka, Bangladesh.
Zannat KawserInstitute for Developing Science & Health Initiatives (ideSHi), Dhaka, Bangladesh.
Asifuzaman RahatInstitute for Developing Science & Health Initiatives (ideSHi), Dhaka, Bangladesh.
Ahmed Nawsher AlamInstitute of Epidemiology, Disease Control and Research, Dhaka, Bangladesh.
Sharmin SultanaInstitute of Epidemiology, Disease Control and Research, Dhaka, Bangladesh.
Md Abdul AleemInfectious Diseases Division, icddr,b, Mohakhali, Dhaka, Bangladesh.
Manjur Hossain KhanInstitute of Epidemiology, Disease Control and Research, Dhaka, Bangladesh.
Samsad Rabbani KhanInstitute of Epidemiology, Disease Control and Research, Dhaka, Bangladesh.
Regina C LaRocqueDivision of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA; Departments of Medicine and Pediatrics, Harvard Medical School, Boston, MA, USA.
Stephen B CalderwoodDivision of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA; Departments of Medicine and Pediatrics, Harvard Medical School, Boston, MA, USA.
Edward T RyanDivision of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA; Departments of Medicine and Pediatrics, Harvard Medical School, Boston, MA, USA; Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
Damien M SlaterDivision of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA.
Sayera BanuInfectious Diseases Division, icddr,b, Mohakhali, Dhaka, Bangladesh.
John ClemensInfectious Diseases Division, icddr,b, Mohakhali, Dhaka, Bangladesh.
Jason B HarrisDivision of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA; Departments of Medicine and Pediatrics, Harvard Medical School, Boston, MA, USA.
Meerjady Sabrina FloraInstitute of Epidemiology, Disease Control and Research, Dhaka, Bangladesh.
Firdausi QadriInfectious Diseases Division, icddr,b, Mohakhali, Dhaka, Bangladesh. Electronic address: fqadri@icddrb.org.

Funding

Training program in vaccine development and public healthD43TW005572 · FIC · MASSACHUSETTS GENERAL HOSPITAL · PI QADRI, FIRDAUSI, RYAN, EDWARD T. · 2000 to 2025
$5.4M
FIC NIH HHS D43 TW005572
6 · The paper itself

Abstract

objectivesStudies on serological responses following coronavirus disease-2019 (COVID-19) have been published primarily in individuals who are moderately or severely symptomatic, but there are few data from individuals who are mildly symptomatic or asymptomatic.

methodsWe measured IgG, IgM, and IgA to the receptor-binding domain of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by using enzyme-linked immunosorbent assay in mildly symptomatic (n = 108) and asymptomatic (n = 63) on days 1, 7, 14, and 30 following RT-PCR confirmation in Bangladesh and when compared with pre-pandemic samples, including healthy controls (n = 73) and individuals infected with other viruses (n = 79).

resultsMildly symptomatic individuals developed IgM and IgA responses by day 14 in 72% and 83% of individuals, respectively, while 95% of individuals developed IgG response, and rose to 100% by day 30. In contrast, individuals infected with SARS-CoV-2 but who remained asymptomatic developed antibody responses significantly less frequently, with only 20% positive for IgA and 22% positive for IgM by day 14, and 45% positive for IgG by day 30 after infection.

conclusionsThese results confirm immune responses are generated following COVID-19 who develop mildly symptomatic illness. However, those with asymptomatic infection do not respond or have lower antibody levels. These results will impact modeling needed for determining herd immunity generated by natural infection or vaccination.

Indexed as

AdultAntibodies, ViralAntibody FormationBangladeshCarrier StateCOVID-19Enzyme-Linked Immunosorbent AssayFemaleHumansImmunoglobulin GImmunoglobulin MMaleMiddle AgedPandemicsSARS-CoV-2Antibodies, ViralImmunoglobulin GImmunoglobulin MAsymptomaticCOVID-19Immune responsesSeroconversionSymptomatic

Identifiers

PMID33031941
PMCPMC7534791

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.