Acquired immunodeficiency syndrome (AIDS) of humans is caused by two lentiviruses,
human immunodeficiency viruses types 1 and 2 (HIV-1 and HIV-2). Here, we describe the …

This review examines the enormous progress that has been made in the past decade in
understanding the origin of HIV, HIV genetic variability, and the impact of global HIV diversity …

This work examines the emergence and causes of new diseases all over the world,
describing a process called" spillover" where illness originates in wild animals before being …

Of the 13 known independent zoonoses of simian immunodeficiency viruses to humans,
only one, leading to human immunodeficiency virus (HIV) type 1 (M) has become pandemic …

Many of the major human infectious diseases, including some now confined to humans and
absent from animals, are 'new'ones that arose only after the origins of agriculture. Where did …

Emerging infectious diseases (EIDs) pose threats to conservation and public health. Here,
we apply the definition of EIDs used in the medical and veterinary fields to botany and …

Contenido:¿ Qué es la sexualidad humana? Anatomía y sicología sexual femenina.
Anatomía y fisiología sexual masculina. La excitación y la respuesta sexual. Identidad …

Human immunodeficiency virus type 1 (HIV-1), the cause of human acquired
immunodeficiency syndrome (AIDS), is a zoonotic infection of staggering proportions and …

Understanding the emergence of new zoonotic agents requires knowledge of pathogen
biodiversity in wildlife, human-wildlife interactions, anthropogenic pressures on wildlife …

HIV-1, the cause of AIDS, is composed of four phylogenetic lineages, groups M, N, O, and P,
each of which resulted from an independent cross-species transmission event of simian …