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SARS-CoV-2 Reinfection Cases in a Household-Based Prospective Cohort in Rio de Janeiro.
J Infect Dis
December 2023
Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil.
Article Synopsis
- This study tracked people with COVID-19 and their household contacts in Rio de Janeiro from April 2020 to June 2022, focusing on reinfections.
- Ninety-eight reinfections were noted, with a significant number confirmed through genomic analysis; vaccination was effective against reinfection before the Omicron variant, but not afterward.
- The results indicate that while reinfections tended to be milder, vaccines may not effectively prevent all infections, emphasizing the need for updated vaccines and regular boosters like those used for flu.
Post-acute COVID-19 syndrome after reinfection and vaccine breakthrough by the SARS-CoV-2 Gamma variant in Brazil.
Int J Infect Dis
January 2022
Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation (Fiocruz) Avenida Brasil 4365 - Manguinhos, Rio de Janeiro, RJ, 21040-3608, Brazil. Electronic address:
We describe a case of prolonged COVID-19 caused by the SARS-CoV-2 Gamma variant in a fully vaccinated healthcare worker, 387 days after an infection caused by lineage B.1.1.
View Article and Find Full Text PDFSeroepidemiology of TORCH Infections among 1.7 Million Women of Childbearing Age in Rural China: A Population-Based Cross-Sectional Study.
Am J Trop Med Hyg
September 2021
Department of Clinical Laboratory Medicine, Capital Medical University Affiliated Beijing Shijitan Hospital, Beijing, China.
We conducted a national seroepidemiological study of the TORCH (Toxoplasma gondii [TOX], Rubella [RV], Cytomegalovirus [CMV], and Herpes Simplex Virus) in rural women to provided updated baseline data on TORCH prevalence. A total of 1,541,329 women of childbearing age were gathered from 2010 to 2012 in China. Of these, 858,072 women were tested positive for anti-RV IgG antibodies, 602,251 women were tested positive for anti-CMV antibodies, and 40,055 women were tested positive for anti-TOX antibodies.
View Article and Find Full Text PDFUnmasking viral sequences by metagenomic next-generation sequencing in adult human blood samples during steroid-refractory/dependent graft-versus-host disease.
Microbiome
January 2021
Division of Infectious Diseases, Geneva University Hospitals, 4 Rue Gabrielle-Perret-Gentil, 1211, 14, Geneva, Switzerland.
Background: Viral infections are common complications following allogeneic hematopoietic stem cell transplantation (allo-HSCT). Allo-HSCT recipients with steroid-refractory/dependent graft-versus-host disease (GvHD) are highly immunosuppressed and are more vulnerable to infections with weakly pathogenic or commensal viruses. Here, twenty-five adult allo-HSCT recipients from 2016 to 2019 with acute or chronic steroid-refractory/dependent GvHD were enrolled in a prospective cohort at Geneva University Hospitals.
View Article and Find Full Text PDFExanthematic dengue fever mimicking rubella.
An Bras Dermatol
February 2021
Universidade de Brasília, Brasília, DF, Brazil. Electronic address:
The authors present a case of dengue fever mimicking rubella. Male patient, in the second episode of dengue fever, presented afebrile, with diffuse morbilliform rash and craniocaudal progression, having subsequently affected his palms and soles. On the third day of clinical evolution, serologies did not indicate IgM, IgG, or NS1, but on the sixth day of evolution, IgM and IgG were reactive for dengue fever.
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