Zika Virus (ZIKV)- An Overview
The re-emerging arbovirus, Zika Virus (ZIKV) was first detected in the rhesus monkey about 70 years ago in the Zika Forest in Uganda. It is a single-stranded RNA virus belonging … Read more
Virology is a branch of natural science that deals with the biology of viruses and viral diseases, along with the biochemistry, occurrence, pathogenesis, life cycle, ecology, and evolution of viruses and virus-like particles.
The re-emerging arbovirus, Zika Virus (ZIKV) was first detected in the rhesus monkey about 70 years ago in the Zika Forest in Uganda. It is a single-stranded RNA virus belonging … Read more
Structure of Norwalk Virus (Norovirus) The virus is non-enveloped, round, 27-nm particles with a ‘ragged’ outer edge but lacking a definite surface structure. It has a buoyant density of 1.33–1.41 g/cm3, … Read more
Epstein-Barr virus (EBV), or the human herpesvirus 4 (HHV-4), is one of the eight known human herpesviruses of the gamma herpes virus family and is the primary causative agent of … Read more
Structure of Mumps Virus Mumps virions are markedly pleomorphic (100 to 600 nm), and roughly spherical with an outer membrane that envelops an inner, coiled helical structure. The envelope which … Read more
Human enteric viruses are the major cause of nonbacterial gastroenteritis also known as stomach flu and are transmitted via food and waterborne route. Foodborne viruses include the human noroviruses (HNoV), … Read more
Structure of Coronavirus Coronaviruses fall in the virus family Coronaviridae, order Nidovirales. Coronaviruses are enveloped, 120 to 160 nm particles that contain an unsegmented genome of single-stranded positive-sense RNA (27–32 kb). … Read more
Structure of Varicella Zoster Virus Image Source: Creative Diagnostics Varicella-zoster virus (VZV) is an alphaherpesvirus that is in the same subfamily as herpes simplex virus (HSV) 1 and 2. VZV … Read more
Here are some of the electron microscopy images (Scanning Electron Micrograph and Transmission Electron Micrograph) of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) that causes Coronavirus Disease 2019 (COVID-19). More … Read more
Viruses gain access to the host through skin and mucous membranes, and via the respiratory, gastrointestinal, and genital tracts. Their virulence or lack of it may be determined by very … Read more
Structure of Virus LIPID ENVELOPE Usually formed from a lipid bilayer taken from their host, into which the virus inserts its own glycoproteins (enveloped virus). Not all viruses have envelopes … Read more