Online Biology Notes for students
Virology Notes
1) What is the genome present inside the virus? Either DNA or RNA but not both. 2) What is the genome present in Coronavirus? RNA 3) Can we observe virus in general laboratory using a light microscope? No, they are too small whose size ranges from 20-250 nm in size. To see …
Medical Disclaimer: The information presented on this page is only for academic and study purposes and must not be used for the purpose of treatment. If you are not feeling well, please consult with your physician or doctor. Today, the world is still under the threat of pandemic COVID-19. Different countries are in …
Read moreUse of Convalescent Plasma to treat COVID-19 patients (FAQs)
What is Hepatitis A Virus? Hepatitis A virus (HAV) is a cause of acute liver inflammation or hepatitis. It can cause relapsing signs and symptoms but not a chronic infection. The virus is a 27-nm-diameter non-enveloped RNA virus. It belongs to the family Picornaviridae and the genus Hepatovirus. Viral transmission occurs in a …
Viruses with a high mutation rate “that is a reason there are no permanent vaccination against it”. According to Jean and Peter Medawar 1977 virus “simply a piece of bad news wrapped up in protein” (from Bad News Wrapped in Protein: Inside Coronavirus Genome by Jonathan Corum and Carl Zimmer). In December …
Image created using biorender.com Type of coronavirus strains There are seven strains of coronavirus Human Coronavirus 229E (HCoV-229E) Human Coronavirus NL63 (HCoV-NL63, New Haven Corona Virus) Human Coronavirus OC43(HCoV-OC43) Human Coronavirus HKU1 Middle East Respiratory Syndrome Related Coronavirus (MERS-CoV) previously known as novel coronavirus 2012 & HCoV-EMC Severe Acute Respiratory Syndrome Coronavirus, …
Read moreSARS-CoV-2- Infection, ACE-2 gene, herd immunity, vaccines
Some common viral diseases, symptoms, prevention, treatment Image Source: iStockphoto 1- Smallpox Pathogen – Variola poxvirus. Mode of transmission – By air. Symptom – Small pinkish itchy spots appear on the body with fever. Prevention – Vaccination and proper sanitation. 2- Chickenpox Pathogen – Varicella zoster. Mode of transmission – Disease is …
Read moreSome common viral disease, symptom, prevention, treatment
The symptoms of the cold that we frequently have, the flu, and COVID-19 have got quite a number of overlaps. Therefore symptoms alone cannot confirm whether a person is having a novel coronavirus or nCoV infection. There has to be an array of symptoms that need to get weaved together to have …
Read moreHaving the symptoms doesn’t always confirm COVID-19
Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of diagnosis. If you are not feeling well, please consult with your physician or doctor. Introduction We have so far discussed the most current diagnostic tests that have been …
Read moreCOVID-19 diagnosis: Abbott RealTime SARS-CoV-2 assay
Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of diagnosis. If you are not feeling well, please consult with your physician or doctor. Introduction So far we have discussed three tests currently authorized by the Food and …
Read moreCOVID-19 IgG/IgM Rapid Test for antibodies detection
Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of diagnosis. If you are not feeling well, please consult with your physician or doctor. Introduction COVID-19 disease caught the world unaware, unprepared for a pandemic as bad at …