Has COVID-19 changed the approach to HIV diagnosis?: A multicentric Italian experience

Maria Mazzitelli1, Arturo Ciccullo2, Gianmaria Baldin3

  • 1Infectious and Tropical Diseases Unit, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Catanzaro, Italy.

Medicine
|November 3, 2021
PubMed

Insights

The COVID-19 pandemic reduced human immunodeficiency virus (HIV) diagnoses but led to older patients diagnosed at earlier disease stages. Routine HIV testing alongside SARS-CoV-2 testing is crucial for early detection.

Area of Science:

  • Epidemiology
  • Public Health
  • Infectious Diseases

Background:

  • The COVID-19 pandemic significantly disrupted healthcare systems globally.
  • Focus on COVID-19 led to potential neglect of other critical health services, including HIV screening and diagnosis.
  • Disruptions may have impacted the detection rates and characteristics of new HIV diagnoses.

Purpose of the Study:

  • To evaluate the number and characteristics of new HIV/AIDS diagnoses in Italy during the COVID-19 pandemic.
  • To compare the demographic and clinical features of individuals diagnosed with HIV before (2019) and during (2020) the pandemic.

Main Methods:

  • A retrospective, multicenter, observational study design was employed.
  • Data on new HIV/AIDS diagnoses were collected and analyzed for the years 2019 and 2020.
  • Characteristics such as age, disease stage (CD4+ T cell count), and transmission group were compared between the two periods.

Main Results:

  • A significant decrease in the overall number of HIV diagnoses was observed during the pandemic year (2020) compared to the pre-pandemic year (2019).
  • Individuals diagnosed in 2020 were older and presented with higher CD4+ T cell counts (indicating earlier diagnosis) than those diagnosed in 2019.
  • A notable reduction in new HIV diagnoses among men who have sex with men was recorded, potentially linked to social distancing measures.

Conclusions:

  • Despite a reduction in diagnoses, late presentation of HIV remains a concern.
  • Integrating routine HIV testing into SARS-CoV-2 screening protocols can facilitate earlier detection and linkage to care.
  • There is an urgent need for a national HIV screening policy to address diagnostic gaps exacerbated by the pandemic.

Related Concept Videos

Bias in Epidemiological Studies01:29

Bias in Epidemiological Studies

Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:  
779
Prevalence and Incidence01:08

Prevalence and Incidence

In statistical epidemiology and health sciences, two essential metrics—prevalence and incidence—are fundamental for understanding disease dynamics within a population. These measures enable public health officials, epidemiologists, and researchers to assess the burden of diseases, allocate resources effectively, and design impactful public health policies and interventions.
Prevalence indicates the proportion of individuals in a population who have a specific disease or health...
948
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...
466
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...
47.6K
Study Designs in Epidemiology01:20

Study Designs in Epidemiology

Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
Observational studies are those where the researcher does not intervene but rather observes natural variations. They include cross-sectional, cohort, and...
493
Factors Affecting the Risk of Infection01:26

Factors Affecting the Risk of Infection

The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
12.8K