In this article we will discuss about Arbo Viruses:- 1. Introduction to Arbo Viruses 2. Classification of Arbo Viruses 3. General Properties. Introduction to Arbo Viruses: The arthropod viruses or Arbo viruses are a group of RNA viruses of diverse physical and chemical properties, that are transmitted by blood sucking arthropod from one vertebrate host to another. The viruses multiply [...]
The below mentioned article provides a short note on Corona Viruses. Introduction to Corona Viruses: Corona viruses (Corona, meaning crown) are spherical (100-150 nm in diam.), pleomorphic, enveloped RNA viruses containing petal- or club-shaped peplomers (spikes) on the surface. Pathogenesis of Corona Viruses: They are widespread in nature and infect a wide range of hosts. They have a variable tissue [...]
In this article we will discuss about Rickettsiae:- 1. Cultivation of Rickettsiae 2. Animal Inoculation of Rickettsiae 3. Laboratory Diagnosis 4. Resistance. Cultivation of Rickettsiae: All rickettsiae cannot be grown on cell free media, except R. Quintana which will grow on blood agar medium. They can be cultivated in yolk sac of chick embryo, grow on mouse fibroblast, HeLa, Hep2 [...]