Video Experimental Relacionado
Updated: Jan 18, 2026
10:29
Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors
Published on: May 9, 2025
2.2K
VIH en 2025: innovaciones, vulnerabilidades persistentes y un futuro bajo tensión
Olivier Nawej Tshikung1, Olivier Segeral1, Alexandra Calmy1
1Unité VIH/Sida, Service des maladies infectieuses, Hôpitaux universitaires de Genève, 1211 Genève 14.
Revue medicale suisse
|January 16, 2026
Resumen
Los avances en la prevención y el tratamiento del VIH son ahora directrices de la OMS, pero muchos pacientes todavía inician el tratamiento tarde. La reducción de la financiación amenaza los programas contra el VIH, poniendo en riesgo el progreso hacia los objetivos de 2030.
Área de la Ciencia:
- Salud global; Enfermedades infecciosas; Políticas de salud pública
Sus antecedentes:
- Las nuevas directrices de la Organización Mundial de la Salud (OMS) de 2025 integran opciones avanzadas de prevención y tratamiento del VIH.
- A pesar de los avances médicos, un número significativo de pacientes inician la atención del VIH con infecciones en etapa avanzada.
- La reducción de la financiación internacional, incluidos los recortes al Plan de Emergencia del Presidente para el Alivio del SIDA (PEPFAR), pone en peligro la sostenibilidad de los programas contra el VIH en entornos con recursos limitados.
Objetivo del estudio:
- Contrastar los avances médicos recientes en la atención del VIH con las realidades clínicas actuales.
- Discutir los cambios estructurales esenciales necesarios para mantener el progreso en la prevención y el tratamiento del VIH.
- Identificar estrategias para lograr los objetivos mundiales del VIH para 2030.
Principales métodos:
- Revisión de los avances recientes en la prevención del VIH (por ejemplo, terapias de acción prolongada, profilaxis preexposición).
- Análisis de datos clínicos actuales sobre la entrada de pacientes en la atención en etapas avanzadas del VIH.
- Evaluación del impacto de las reducciones de financiación internacional en los programas contra el VIH.
Principales resultados:
- Mientras que las nuevas directrices de la OMS incorporan terapias innovadoras contra el VIH, la presentación tardía sigue siendo un problema crítico.
- La reducción de la financiación supone una amenaza sustancial para la continuidad y la eficacia de los programas contra el VIH a nivel mundial.
- La brecha entre la innovación médica y la implementación clínica se está ampliando en las poblaciones vulnerables.
Conclusiones:
- Son necesarias intervenciones estructurales y de financiación urgentes para cerrar la brecha entre los avances médicos del VIH y la atención al paciente.
- El compromiso internacional sostenido es crucial para prevenir contratiempos en la lucha mundial contra el VIH/SIDA.
- Lograr los objetivos del VIH para 2030 requiere abordar tanto los desafíos clínicos como las limitaciones de recursos.
Videos de Conceptos Relacionados
00:36Viral Mutations
39.6K
A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
39.6K
01:29Issues And Trends In Healthcare Delivery System
6.1K
The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
6.1K
01:10Retrovirus Life Cycles
49.3K
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...
49.3K
01:29Microorganisms in Medicine and Therapeutics
987
Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
987
01:26Sexually Transmitted Infections
936
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...
936
01:22Healthcare Associated Infections II: Preventive Measures
3.6K
Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
3.6K