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Article

Complexity of Human Cytomegalovirus Infection in South African HIV-Exposed Infants with Pneumonia

by
Kerusha Govender
1,2,
Raveen Parboosing
1,
Salvatore Camiolo
2,
Petr Hubáček
3,
Irene Görzer
4,
Elisabeth Puchhammer-Stöckl
4 and
Nicolás M. Suárez
2,*
1
Department of Virology, University of KwaZulu Natal and National Health Laboratory Service, Durban 4000, South Africa
2
Medical Research Council-University of Glasgow Centre for Virus Research, Bearsden, Glasgow G61 1QH, UK
3
Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University and Motol University Hospital, 150 06 Prague, Czech Republic
4
Center for Virology, Medical University of Vienna, 1090 Vienna, Austria
*
Author to whom correspondence should be addressed.
Viruses 2022, 14(5), 855; https://doi.org/10.3390/v14050855
Submission received: 18 March 2022 / Revised: 11 April 2022 / Accepted: 19 April 2022 / Published: 21 April 2022
(This article belongs to the Special Issue State-of-the-Art Virology Research in South Africa)

Abstract

Human cytomegalovirus (HCMV) can cause significant end-organ diseases such as pneumonia in HIV-exposed infants. Complex viral factors may influence pathogenesis including: a large genome with a sizeable coding capacity, numerous gene regions of hypervariability, multiple-strain infections, and tissue compartmentalization of strains. We used a whole genome sequencing approach to assess the complexity of infection by comparing high-throughput sequencing data obtained from respiratory and blood specimens of HIV-exposed infants with severe HCMV pneumonia with those of lung transplant recipients and patients with hematological disorders. There were significantly more specimens from HIV-exposed infants showing multiple HCMV strain infection. Some genotypes, such as UL73 G4B and UL74 G4, were significantly more prevalent in HIV-exposed infants with severe HCMV pneumonia. Some genotypes were predominant in the respiratory specimens of several patients. However, the predominance was not statistically significant, precluding firm conclusions on anatomical compartmentalization in the lung.
Keywords: multiple-strain infections; compartmentalization; human cytomegalovirus; whole genome sequence; HIV; genotype; pneumonia multiple-strain infections; compartmentalization; human cytomegalovirus; whole genome sequence; HIV; genotype; pneumonia

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MDPI and ACS Style

Govender, K.; Parboosing, R.; Camiolo, S.; Hubáček, P.; Görzer, I.; Puchhammer-Stöckl, E.; Suárez, N.M. Complexity of Human Cytomegalovirus Infection in South African HIV-Exposed Infants with Pneumonia. Viruses 2022, 14, 855. https://doi.org/10.3390/v14050855

AMA Style

Govender K, Parboosing R, Camiolo S, Hubáček P, Görzer I, Puchhammer-Stöckl E, Suárez NM. Complexity of Human Cytomegalovirus Infection in South African HIV-Exposed Infants with Pneumonia. Viruses. 2022; 14(5):855. https://doi.org/10.3390/v14050855

Chicago/Turabian Style

Govender, Kerusha, Raveen Parboosing, Salvatore Camiolo, Petr Hubáček, Irene Görzer, Elisabeth Puchhammer-Stöckl, and Nicolás M. Suárez. 2022. "Complexity of Human Cytomegalovirus Infection in South African HIV-Exposed Infants with Pneumonia" Viruses 14, no. 5: 855. https://doi.org/10.3390/v14050855

APA Style

Govender, K., Parboosing, R., Camiolo, S., Hubáček, P., Görzer, I., Puchhammer-Stöckl, E., & Suárez, N. M. (2022). Complexity of Human Cytomegalovirus Infection in South African HIV-Exposed Infants with Pneumonia. Viruses, 14(5), 855. https://doi.org/10.3390/v14050855

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