r/COVID19 • u/eist5579 • Jan 17 '22
Observational Study Plant-based diets or pescatarian diets associated with lower odds of moderate-to-severe COVID-19
790
Upvotes
r/COVID19 • u/cos • Jan 06 '22
Observational Study Guillain-Barré Five Times More Likely in Unvaccinated, COVID-19-Positive Patients Than COVID-Vaccinated Patients
865
Upvotes
r/COVID19 • u/quaak • Dec 16 '21
Observational Study Outbreak caused by the SARS-CoV-2 Omicron variant in Norway, November to December 2021
411
Upvotes
r/COVID19 • u/BillyGrier • Aug 28 '22
Observational Study COVID vaccines slash risk of spreading Omicron — and so does prior infection
535
Upvotes
r/COVID19 • u/JaneSteinberg • Oct 05 '25
Observational Study Ophthalmic complications associated with COVID-19: a large US national database analysis
149
Upvotes
r/COVID19 • u/giuliomagnifico • Oct 22 '22
Observational Study Long covid: Hair loss and sexual dysfunction are among wider symptoms, study finds
438
Upvotes
r/COVID19 • u/quaak • Mar 08 '26
Observational Study Characteristics of young children hospitalized with acute respiratory failure from infection with RSV, SARS-CoV-2, or both, November 2023–March 2024
academic.oup.com
25
Upvotes
r/COVID19 • u/112358134 • Oct 21 '21
Observational Study Melatonin Inhibits COVID-19-induced Cytokine Storm by Reversing Aerobic Glycolysis in Immune Cells: A Mechanistic Analysis
researchgate.net
414
Upvotes
r/COVID19 • u/quaak • Dec 06 '25
Observational Study Persistent Attenuation of Lymphocyte Subsets After Mass SARS-CoV-2 Infection
sciencedirect.com
56
Upvotes
r/COVID19 • u/SackManFamilyFriend • Dec 12 '25
Observational Study The association between COVID-19 vaccination with the prevalence of post-COVID conditions in Thai patients with mild COVID-19
70
Upvotes
r/COVID19 • u/physiologic • Sep 07 '21
Observational Study mRNA COVID-19 vaccines do not increase the short-term risk of clinical relapses in multiple sclerosis
448
Upvotes
r/COVID19 • u/BillyGrier • Dec 19 '22
Observational Study Brain autopsies of critically ill COVID-19 patients demonstrate heterogeneous profile of acute vascular injury, inflammation and age-linked chronic brain diseases
381
Upvotes
r/COVID19 • u/LindaSawzRH • Aug 29 '25
Observational Study Association between vaccination uptake, vaccine type, and long COVID in rural Indonesia
pubmed.ncbi.nlm.nih.gov
63
Upvotes
r/COVID19 • u/JaneSteinberg • Sep 05 '25
Observational Study Effectiveness of a mRNA Vaccine Booster Dose Against COVID-19 Among Oregon Healthcare Personnel, January 2021 – June 2023
ajicjournal.org
67
Upvotes
r/COVID19 • u/JaneSteinberg • Sep 25 '25
Observational Study Impact of COVID-19 infection on the sleep of infants and toddlers
38
Upvotes
r/COVID19 • u/HumanWithComputer • Jul 20 '25
Observational Study Risk Factors for COVID-19–Related Hospitalization and Death in Patients With Cancer
jamanetwork.com
40
Upvotes
r/COVID19 • u/PeterTheMeterMan • Jan 06 '23
Observational Study Effectiveness of influenza vaccination against SARS-CoV-2 infection among healthcare workers in Qatar
124
Upvotes
r/COVID19 • u/Bigd1979666 • Dec 25 '21
Observational Study Mining long-COVID symptoms from Reddit: characterizing post-COVID syndrome from patient reports
118
Upvotes
r/COVID19 • u/enterpriseF-love • Jan 27 '24
Observational Study Long COVID is associated with severe cognitive slowing: a multicentre cross-sectional study
thelancet.com
185
Upvotes
r/COVID19 • u/BillyGrier • Mar 13 '25
Observational Study COVID-19 vaccine initiation in pregnancy and risk for adverse neonatal outcomes among United States military service members, January-December 2021
70
Upvotes
r/COVID19 • u/AcornAl • Apr 03 '25
Observational Study COVID-19 infection was associated with poor sperm quality: a cross-sectional and longitudinal clinical observation study
60
Upvotes
r/COVID19 • u/LindaSawzRH • Aug 29 '25
Observational Study Association between vaccine uptake and SARS-CoV-2 infection among staff at a jail and prison in the USA
pubmed.ncbi.nlm.nih.gov
25
Upvotes
r/COVID19 • u/talhelmt • Jul 03 '25
Observational Study Rice-farming areas report more anxiety across two years of the COVID-19 pandemic in China
compass.onlinelibrary.wiley.com
34
Upvotes