SARS-CoV-2 humoral immunity in people living with HIV-1

Boitumelo M Motsoeneng1, Jinal N Bhiman1, Simone I Richardson1

  • 1South African Medical Research Council Antibody Immunity Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa; HIV Virology Section, Centre for HIV and STIs, National Institute for Communicable Diseases of the National Health Laboratory Services, Johannesburg, South Africa.

Trends in Immunology
|June 18, 2024
PubMed

Insights

Investigating COVID-19 vaccine effectiveness and immune responses in people living with HIV-1 (PLWH) in Africa is crucial. This research highlights gaps in understanding SARS-CoV-2 impacts on immunocompromised populations.

Area of Science:

  • Immunology
  • Virology
  • Public Health

Background:

  • Immunocompromised individuals, particularly people living with HIV-1 (PLWH), face significant risks from COVID-19, especially in Africa.
  • Understanding SARS-CoV-2 infection and vaccination responses in PLWH compared to people without HIV-1 (PWOH) is critical.

Purpose of the Study:

  • To examine COVID-19 vaccine effectiveness in PLWH.
  • To understand antibody responses to SARS-CoV-2 infection and vaccination in PLWH versus PWOH.
  • To assess the impact of prior immunity to endemic coronaviruses on SARS-CoV-2 responses in PLWH.

Main Methods:

  • Comparative analysis of immune responses (antibody levels, vaccine effectiveness).
  • Assessment of pre-existing immunity against endemic human coronaviruses.
  • Review of persistent SARS-CoV-2 infection consequences in immunocompromised individuals.

Main Results:

  • Key areas requiring further investigation identified regarding COVID-19 in PLWH.
  • Potential impact of endemic coronavirus immunity on SARS-CoV-2 responses explored.
  • Consequences of persistent infection, including shedding and viral diversity, discussed.

Conclusions:

  • Further research is essential to address COVID-19 challenges in immunocompromised populations, especially PLWH in Africa.
  • Understanding SARS-CoV-2 evolution and persistent infection dynamics in Africa is crucial for public health strategies.

Related Concept Videos

Humoral Immune Responses01:36

Humoral Immune Responses

Overview
72.5K
Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
299
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency...
934
Immunological Memory01:23

Immunological Memory

Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
590
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the...
45.8K
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
775