Author

A. Alsaieedi

2 papers indexed here

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Open access Sep 2026

Metabolic Signatures Associated with COVID-19 Vaccination in Serum from Healthy Individuals

Background: COVID-19 vaccines have proven effective in reducing severe disease and mortality from SARS CoV-2 infection. The underlying molecular mechanisms and alterations in the human serum metabolome influencing the effectiveness and development of immunity remain unclear. Methods: Serum samples were collected from 2...

M. Al Eissa, Refat M. Nimer, Reem H. Almalki et al. · Vaccines · 0 citations

Review Open access Jul 2026

Durability of COVID-19 vaccine-induced immunity in Saudi Arabia: evidence, gaps, and implications for Hajj and mass-gathering preparedness

The review highlights those circulating antibodies and neutralizing activity decline after vaccination, particularly against antigenically divergent variants, whereas memory B-cell responses and CD4+ and CD8+ T-cell immunity generally provide more durable protection against severe disease.

Leena E. Azhar, Ahdab A. Alsaieedi, M. Al Eissa et al. · Frontiers in Public Health · 0 citations