Adenoviruses
Introduction Adenoviruses are naked viruses. Because they have no membrane, they are very stable. Adenoviruses were first identified in 1953 as agents derived from human adenoid tissues which could induce the…
RNA viruses
Global Center for Health Security ArboNet (national srveillnace system for arboviral diseases. Also has information on mosquito borne disesaes) Videos: youtube (discusses differences positive and negative RNA viruses) Viral vectors…
DNA viruses
Introduction: Transcription of the DNA virus genome (except for poxviruses) occurs in the nucleus. Many DNA viruses establish persistent infections. DNA viruses use the cellular RNA polymerase to produce mRNA.…
Viruses
NYC Public Health testing laboratory manual (good resource for types of viral and bacterial diseases and tests used to identify them) Global Center for Health Security Videos: Giant Viruses. (include…
Classification & Types
See also Fungus Mycology Dr Fungushttps://www.cdc.gov/healthypets/index.html (keeping pets healthy keeps humans healthy) Introduction/Definitions: Fungi are eucaryotes that has ergosterol as a key component rather than cholesterol. This is an importance difference since…
Cryptococcus neoformans
See CDC Introduction: Cryptococcus neoformans is a fungus that lives in the environment throughout the world. People can become infected with C. neoformans after breathing in the microscopic fungus, although most people who are…
Fungus
See also mycology Introduction: Fungi are nonmotile eukaryotes. They secrete exoenzymes into the environment, then absorb the digested nutrients. Most are saprophytes that decompose dead organic matter, but some are…
Protozoa
Videos: (child dies in NC) Malaria (description) Crypto (description) Taxoplasmosis (description) Introduction/classification: Protozoa are a subset of protists which are eukaryotes that are not classified as animals, plants, or fungi. Protozoa…
Scabies
Helpful Links: CDC Scabies is caused by skin infestation with the mite Sarcoptes scabiei which is an arthropod (member of the class Arachnida). Like many other infectious diseases, it is transmitted by…
Helminths
Global Forest watch (monitors forests --habitat is very important for disease transmission) Introduction/Classification/Characteristics: Helminths that parasitize humans are diverse, ranging from barely visible roundworms (0.3 mm) to huge tapeworms (25…