Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 17 checked references that resolve
resolves10.1016/j.dsx.2020.07.005Association of hypertension, diabetes, stroke, cancer, kidney disease, and high-cholesterol with COVID-19 disease severity and fatality: A systematic review
resolves10.1111/1753-0407.13085Factors leading to high morbidity and mortality of <scp>COVID</scp>‐19 in patients with type 2 diabetes
resolves10.1111/1753-0407.13091Diabetes mellitus association with coronavirus disease 2019 (<scp>COVID</scp>‐19) severity and mortality: A pooled analysis
resolves10.1093/cid/ciaa815The Disproportionate Impact of COVID-19 on Racial and Ethnic Minorities in the United States
resolves10.1371/journal.pone.0248029First and second waves of coronavirus disease-19: A comparative study in hospitalized patients in Reus, Spain
resolves10.2147/RMHP.S70173Barriers to health care for undocumented immigrants: a literature review
The 34 references without a DOI — listed, not checked
no DOI — not checkedref1
no DOI — not checkedref10
no DOI — not checkedref11
no DOI — not checkedref12
no DOI — not checkedUndocumented U.S. Immigrants and Covid-19
no DOI — not checkedAnother Brick in the Wall: Healthcare Access Difficulties and Their Implications for Undocumented Latino/a Immigrants
no DOI — not checkedref16
no DOI — not checkeddeportation-prompts-undocumented-immigrants-to-resist-covid-19-vaccine
no DOI — not checkedref18
no DOI — not checkedThe impact of vaccination on COVID-19 outbreaks in the United States
no DOI — not checkedMeteorological factors, governmental responses and COVID-19: Evidence from four European countries
no DOI — not checkedref21
no DOI — not checkedCOVID-19 in China: Risk Factors and R0 Revisited
no DOI — not checkedImpact of meteorological factors on the COVID-19 transmission: A multi-city study in China
no DOI — not checkedref24
no DOI — not checkedref25
no DOI — not checkedref27
no DOI — not checkedref28
no DOI — not checkedref29
no DOI — not checkedLooi MK. Covid-19: Is a second wave hitting Europe?
no DOI — not checkedCovid-19: Second wave death rate is doubling fortnightly but is lower and slower than in March
no DOI — not checkedref33
no DOI — not checkedref34
no DOI — not checkedref35
no DOI — not checkedref36
no DOI — not checkedref37
no DOI — not checkedShapley LS. 17. A Value for n-Person Games
no DOI — not checkedref44
no DOI — not checkedref46
no DOI — not checkedref47
no DOI — not checkedref48
no DOI — not checkedCardiovascular Therapies, and COVID-19 Mortality: A Nationwide, Italian Observational Study (ItaliCO)
no DOI — not checkedTemporal dynamics in total excess mortality and COVID-19 deaths in Italian cities
no DOI — not checkedPopulation-level COVID-19 mortality risk for non-elderly individuals overall and for non-elderly individuals without underlying diseases in pandemic epicenters
checked 2026-08-25 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.