Related Experiment Video
Updated: Jul 19, 2026
11:14
Ex Vivo Infection of Human Lymphoid Tissue and Female Genital Mucosa with Human Immunodeficiency Virus 1 and Histoculture
Published on: October 12, 2018
The HIV epidemic in Italy
1Laboratory of Epidemiology and Biostatistics, Istituto Superiore di Sanítà, Rome, Italy.
Current Opinion in Infectious Diseases
|October 13, 2006
Summary
Surveillance and cohort studies improve HIV epidemic modeling. This review examines epidemiological shifts, behavioral impacts, and antiretroviral therapy effects on the HIV epidemic.
Area of Science:
- Epidemiology
- Public Health
- Virology
Background:
- HIV surveillance systems and large cohort studies have enhanced understanding of the epidemic.
- Accurate modeling is crucial for effective public health interventions.
Purpose of the Study:
- To review changes in the epidemiological patterns of HIV.
- To analyze the impact of behavioral changes on the HIV epidemic.
- To assess the effect of antiretroviral therapy on HIV epidemiology.
Main Methods:
- Literature review of surveillance data.
- Analysis of cohort study findings.
- Synthesis of epidemiological trends and therapeutic impacts.
Main Results:
- Identified significant shifts in HIV epidemiological patterns.
- Demonstrated the influence of behavioral factors on disease transmission.
- Highlighted the transformative effect of antiretroviral therapy on HIV management and outcomes.
Conclusions:
- Integrated data from surveillance and cohort studies provide robust models of the HIV epidemic.
- Understanding epidemiological changes, behavioral influences, and treatment advancements is vital for ongoing HIV control efforts.
More Related Videos
Related Concept Videos
01:26Sexually 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...
01:23Genital Herpes
Genital herpes is a sexually transmitted infection primarily caused by herpes simplex virus type 2 (HSV-2), though herpes simplex virus type 1 (HSV-1) is increasingly implicated in genital infections, particularly among younger populations. Transmission occurs mainly through sexual contact, with asymptomatic viral shedding serving as a major route of spread. This characteristic makes HSV-2 difficult to control at a population level, as individuals may unknowingly transmit the virus even in the...
01:10Retrovirus 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 retrovirus to...
01:28Herpes
Herpes simplex type 1 (HSV‑1) is a widespread pathogen responsible for orolabial lesions. It is an enveloped, double-stranded DNA (dsDNA) virus belonging to the family Herpesviridae. Once the virus infects a host cell, its double‑stranded DNA genome is delivered into the nucleus, where a coordinated cascade of immediate‑early, early, and late gene expression directs viral DNA replication, structural protein synthesis, and virion assembly. After primary infection of epithelial cells, HSV-1...
01:28Viral Hepatitis I: Introduction
Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
01:28Infectious Diseases and Their Occurrence
Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...