Latent infections are inactive organisms that remain hidden in the body. Unlike active infections, latent ones typically show no symptoms. Latent infections can be difficult to treat due to their inactivity
Influenza is an acute viral respiratory infection causing fever and muscle pain. Four main types: A, B, C, and D viruses with different antigenic characteristics. Influenza A viruses cause epidemics, B viruses cause localized outbreaks
First described by W. Türk in 1907 in infectious mononucleosis patients. Downey and McKinlay characterized them in 1923 with three subtypes. Downey type II cells are most common reactive lymphocyte type
Opportunistic infections occur when pathogens take advantage of weakened immune systems. Can result from weakened immune system, altered microbiome, or breached barriers. Many pathogens don't cause disease in healthy hosts
Viral skin infection causing pink, dome-shaped lesions with dimples. Lesions typically 1-5mm in diameter, may itch or become sore. Most common on face, arms, legs, neck, genital area, and armpits. Onset around seven weeks after infection
RSV is a negative-sense RNA virus causing respiratory tract infections. Virus forms syncytia when infected cells fuse. Divided into two subtypes: A and B, with A being more common