Infectious Disease80 Videos

Epstein Barr Virus and Infectious Mononucleosis (pathophysiology, investigations and treatment)

Contact of Epstein-Barr virus (EBV) with oropharyngeal epithelial cells allows replication of the virus, release of EBV into the oropharyngeal secretions, and infection of B cells in the lymphoid-rich areas of the oropharynx. EBV-infected B cells are responsible for the dissemination of infection throughout the lymphoreticular system. The incubation period prior to the development of […]

Strep throat (streptococcal pharyngitis)- pathophysciology, signs and symptoms, diagnosis, treatment

Clinical features and diagnosis ●Epidemiology – Group A Streptococcus (GAS) is the most common cause of bacterial pharyngitis in children and adolescents. It accounts for 15 to 30 percent of all cases of pharyngitis in children between the ages of 5 and 15 years. In temperate climates, the incidence of GAS pharyngitis peaks during the winter and […]

HIV-AIDS

The video content provides an in-depth exploration of AIDS (Acquired Immunodeficiency Syndrome), focusing on its pathogenesis, stages, and methods for cure and prevention. It starts by explaining how the Human Immunodeficiency Virus (HIV) enters the body, attacks the immune system, particularly the lymphocyte cells, and progresses to AIDS if untreated. The video outlines the stages […]

Infectious Mononucleosis (Mono) – Epstein-Barr Virus, Transmission, Symptoms, Diagnosis, Treatment

Epidemiology − Infectious mononucleosis (IM) is an acute illness due to Epstein-Barr virus (EBV) infection, which occurs mainly in adolescents and young adults. ●Clinical manifestations − IM is classically characterized by fever, pharyngitis, fatigue, and lymphadenopathy. Other findings can include splenomegaly and palatal petechiae. Cervical lymphadenopathy tends to involve the posterior chain of lymph nodes.  […]