research How coronavirus disease 2019 vaccination affect the level of vitamin D in serum and hair? January 2025 in “Egyptian Journal of Dermatology and Venerology” COVID-19 vaccination may lower vitamin D levels and cause hair loss.
research Prevalence of hair loss in Egyptian people after covid -19 vaccination. January 2023 in “Al-Azhar International Medical Journal /Al-Azhar International Medical Journal” Hair loss is not clearly linked to COVID-19 vaccination in Egyptians.