5 citations
,
January 1999 in “Pediatric Dermatology” A young girl had both alopecia areata and immune thrombocytopenic purpura at the same time, suggesting a possible link between the two.
1 citations
,
November 2023 in “Anais Brasileiros de Dermatologia” Certain gene variations and low adiponectin levels may increase the risk of hair loss in Egyptians.
3 citations
,
January 2023 in “Skin appendage disorders” Some people with a history of autoimmune hair loss experienced worsening symptoms after COVID-19 vaccination.
November 2025 in “Journal of Investigative Dermatology” Certain CD8+ T cells attack hair follicles in alopecia areata, suggesting they could be targeted for treatment.
October 2021 in “Journal of Investigative Dermatology” No significant link between male pattern baldness and severe Covid-19, but some shared biological pathways exist.
52 citations
,
August 2021 in “Microorganisms” Higher ACE2 levels in certain tissues may worsen COVID-19 in people with other health issues, especially older adults.
9 citations
,
November 2020 in “Medical Hypotheses” Hair loss may link to weaker COVID-19 immunity, suggesting possible need for extra vaccine boost.
26 citations
,
May 2020 in “JCI Insight” Alopecia areata involves specific immune cells, offering potential treatment targets.
February 2024 in “Indian Dermatology Online Journal” Androgenic alopecia is linked to more severe COVID-19 and higher mortality.
March 2021 in “Research Square (Research Square)” Patients with RASopathies have a higher risk of autoimmune disorders and should be routinely screened.
August 2016 in “Journal of Investigative Dermatology” Blocking the CCR5 receptor may be a new way to treat hair loss from alopecia areata.
6 citations
,
May 2021 in “Clinical Chemistry and Laboratory Medicine” Different ACE2 gene versions may affect COVID-19 impact based on age and suggest some hair loss drugs could be potential treatments.
October 2025 in “Science Advances” IFN-γ production by CD4 T cells is crucial for causing alopecia areata.
Higher air pollution increases the risk of alopecia areata.
1 citations
,
March 2022 in “Irish Journal of Medical Science” Men with androgenetic alopecia and hypertension may experience more severe COVID-19.
10 citations
,
June 2019 in “Transplant infectious disease” The virus linked to a rare disease was found in a patient's blood and urine before skin symptoms appeared.
July 2026 in “Pediatric Allergy and Immunology”
July 2024 in “Influenza and Other Respiratory Viruses” Analyzing both TE and AA together is crucial for understanding post-COVID-19 hair loss.
2 citations
,
February 2023 in “Journal of the American Academy of Dermatology” People with autism are more likely to develop alopecia areata than those without autism.
22 citations
,
December 2018 in “British Journal of Clinical Pharmacology” HPV vaccines are generally safe but need further investigation for rare side effects.
3 citations
,
January 2019 in “Skin Appendage Disorders” People with alopecia areata may also have allergic rhinitis and should be checked for respiratory allergies.
1 citations
,
October 2018 in “The American journal of gastroenterology” Relapsing hepatitis A can cause prolonged abnormal liver tests even without symptoms.
1 citations
,
August 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” People with alopecia areata may have a higher risk of thyroid diseases.
August 2025 in “Al-Iraqia Medical College Journal” Virus infection risk is linked to heat tolerance and size, but decreases with high humidity and mutation rates.
January 2022 in “Galicia Clínica” Alopecia universalis can be an early sign of HIV.
August 2024 in “Journal of Vaccines Immunology and Immunopathology” A COVID-19 vaccine may trigger severe hair loss in rare cases.
May 2023 in “The Journal of Immunology” Alopecia areata involves unique activation of certain immune cells.
12 citations
,
June 2005 in “Journal of the European Academy of Dermatology and Venereology” A man with HIV developed skin and hair issues after starting HIV treatment, which improved with topical treatment.
12 citations
,
August 2020 in “Annals of Oncology” Androgen deprivation therapy might be better for preventing COVID-19 than treating it.
April 2026 in “Frontiers in Immunology” Certain genes may be linked to autoimmune conditions in people with alopecia areata.