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Middle east respiratory syndrome coronavirus infection dynamics and antibody responses among clinically diverse patients, Saudi Arabia
Al-Abdely, H
Midgley, C
Alkhamis, A
Abedi, G
Lu, X
Binder, A
Alanazi, K
Tamin, A
Banjar, W
Lester, S
Abdalla, O
Dahl, R
Mohammed, M
Trivedi, S
Algarni, H
Sakthivel, S
Algwizani, A
Bafaqeeh, F
Alzahrani, A
Alsharef, A
Alhakeem, R
Jokhdar, H
Ghazal, S
Thornburg, N
Erdman, D
Assiri, A
Watson, J
Gerber, S
Acceso Abierto
Middle East respiratory syndrome coronavirus (MERS-CoV) shedding and antibody responses are not fully understood, particularly in relation to underlying medical conditions, clinical manifestations, and mortality. We enrolled MERS-CoV-positive patients at a hospital in Saudi Arabia and periodically collected specimens from multiple sites for real-time reverse transcription PCR and serologic testing. We conducted interviews and chart abstractions to collect clinical, epidemiologic, and laboratory information. We found that diabetes mellitus among survivors was associated with prolonged MERS-CoV RNA detection in the respiratory tract. Among case-patients who died, development of robust neutralizing serum antibody responses during the second and third week of illness was not sufficient for patient recovery or virus clearance. Fever and cough among mildly ill patients typically aligned with RNA detection in the upper respiratory tract; RNA levels peaked during the first week of illness. These findings should be considered in the development of infection control policies, vaccines, and antibody therapeutics.
Emerging Infectious Diseases
Appears in Collections:Artículos científicos

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