1 citations
,
January 2024 in “Annals of Dermatology” This study observed the clinical characteristics and treatment responses in patients who developed alopecia areata after COVID-19 infection or vaccination, highlighting the need for further research into the underlying pathogenesis and association.
January 2023 in “Zenodo (CERN European Organization for Nuclear Research)” This study reported that olive oil applications on the scalp may regenerate hair loss linked to SARS CoV-2 infection and vaccination, based on observations in two individuals.
6 citations
,
October 2024 in “BMC Infectious Diseases” This study observed that COVID-19 patients in Thailand infected with the Delta variant were more likely to develop pneumonia and certain post-infection conditions, while Omicron infections were associated with milder symptoms like sore throat and congestion.
4 citations
,
August 2024 in “Journal of Clinical Medicine” This study reported an increased likelihood of hidradenitis suppurativa flares in patients who received mRNA COVID-19 vaccines compared to those who received non-mRNA vaccines, indicating a potential association that warrants further research in larger populations.
38 citations
,
March 2015 in “Journal of controlled release” This study found that transfollicular delivery using surfactant-based nanoparticles significantly enhanced antigen stability and immune response compared to other delivery methods, especially when combined with an adjuvant.
13 citations
,
February 2006 in “Clinical and Experimental Dermatology” A benign tumor developed at a girl's BCG vaccination site, not previously linked to the vaccine.
2 citations
,
August 2022 in “JAAD case reports” This review discusses vaccine safety concerns for individuals with autoimmune and inflammatory conditions, noting vaccine hesitancy due to observed exacerbations post-vaccination and a lack of comprehensive trial data.
January 2026 in “Dermatology Online Journal” COVID-19 vaccination may be linked to alopecia areata, especially in young adults.
November 2025 in “Cureus” This study found that COVID-19 vaccines were generally well-tolerated among Bangladeshi medical students, with most side effects being mild and decreasing in frequency after subsequent doses.
January 2025 in “Egyptian Journal of Dermatology and Venerology” This study found that COVID-19 vaccination initially lowered vitamin D levels in serum and hair but increased serum levels after the second dose, except for the Pfizer group. Hair vitamin D showed a nonsignificant increase, and hair loss was most common with the AstraZeneca vaccine.
December 2024 in “JEADV Clinical Practice” This study concluded that the anti-SARS-CoV-2 vaccine does not significantly increase the risk of flares in patients with hidradenitis suppurativa.
December 2024 in “Archives of Dermatological Research” The authors concluded that there is no increased association between COVID-19 vaccination and alopecia areata, and the overall incidence of the condition in vaccinated individuals matches historical controls.
September 2024 in “Cureus” This case report describes a woman who experienced worsened breast implant illness symptoms following a COVID-19 infection and vaccination, which improved after implant removal, even though numerous screenings had been inconclusive prior to explantation.
January 2023 in “Al-Azhar International Medical Journal /Al-Azhar International Medical Journal” This article discusses the potential link between COVID-19 vaccines and hair loss, but presents no definitive clinical findings on this relationship.
September 2022 in “Frontiers in Immunology” This study reports that comorbidities and anti-androgen therapy were associated with lower SARS-CoV-2 vaccination rates among patients with androgenetic alopecia, emphasizing the need to promote vaccination within this group.
4 citations
,
January 2023 in “Clinics” This commentary reports the first case of small fiber neuropathy, mast cell activation syndrome, and pericarditis following mRNA-based SARS-CoV-2 vaccination in a previously healthy 66-year-old woman.
4 citations
,
October 2022 in “Journal of family medicine and primary care” This study observed a high prevalence of hair loss among adults after receiving COVID-19 vaccination, with two-thirds of participants experiencing this issue and a minority of cases possibly vaccine-related.
2 citations
,
October 2023 in “The American journal of case reports” This report observed a case of pilomatrixoma appearing at the COVID-19 vaccination site of a 65-year-old man, aligning with previous findings that suggest a potential association between vaccination sites and this benign tumor.
In this study, patient-reported flare symptoms after COVID-19 vaccination in individuals with systemic lupus erythematosus were generally mild, with 17% experiencing flares mostly characterized by joint pain and fatigue; vaccine type did not affect flare incidence.
April 2026 in “Journal of Exercise Rehabilitation” This report describes a case where a woman's hair loss following COVID-19 vaccination improved after treatment with autologous CD34+ hematopoietic progenitor cells and umbilical cord blood-derived mesenchymal stem cells, with no significant adverse effects observed over the 12-week treatment period.
May 2025 in “Australasian Journal of Dermatology” In this observational study, researchers reported a significant association between COVID-19 infection or vaccination and the development of new-onset lichen planus, suggesting these events, particularly infection, may act as triggers for the condition.
October 2022 in “International Research Journal of Modernization in Engineering Technology and Science” This review discusses the development and rapid approval of COVID-19 vaccines and notes the observation of autoimmune disorders, such as alopecia areata, following vaccination; it provides no new clinical results.
September 2022 in “European Journal of Dermatology” This study identified a novel pathogenic splice-site variant of the LAMB3 gene in patients with junctional epidermolysis bullosa, highlighting the importance of gene sequencing for diagnosis.
May 2022 in “Annals of the Rheumatic Diseases” This case report describes two cases of systemic lupus erythematosus (SLE) onset occurring within two months after COVID-19 vaccination, but it remains unclear if the vaccination contributed to these cases.
33 citations
,
June 2021 in “Dermatologic Therapy” This study reports that a patient with subacute cutaneous lupus erythematosus experienced disease exacerbation after the first dose of the BNT162b2 mRNA COVID-19 vaccine, but tolerated the second dose without adverse reactions.
1 citations
,
March 2011 in “Hospital Pharmacy” This article highlights the importance of recognizing, preventing, and reporting adverse drug reactions to the FDA's MedWatch program, but it presents no new research findings.
January 2024 in “Clinical and Experimental Vaccine Research” In this report, the authors describe a case where a child developed alopecia areata after receiving the fifth dose of a rabies vaccine, suggesting that the vaccine may predispose to this autoimmune hair loss by affecting immune regulation.
In this study, Korean patients with systemic lupus erythematosus reported worse perceptions and higher adverse events with the COVID-19 vaccine compared to the influenza vaccine.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that psoriasis patients on biologic therapy had significantly lower anti-COVID19 IgG antibody levels after vaccination compared to healthy individuals not on biologic treatment.
6 citations
,
September 2022 in “Vaccines” This study described cases of alopecia areata occurring after COVID-19 vaccination and highlights management using both topical and systemic therapies.