Online Biology Notes for undergraduate and graduate students
Faith Mokobi Zablon 
Introduction COVID-19 disease caught the world unaware, unprepared for a pandemic as bad at what we have faced the past 3 months. Countries which the most sophisticated technologies and strong health systems have scrambled for diagnostic testing kits that could salvage the increased cases of the infection that has caused deaths of over 30,000 as … Read more COVID-19 Diagnostic Test: Xpert Xpress SARS-CoV-2
Introduction The world is coming to terms with the current situation of the COVID-19 pandemic. Laboratories and manufacturing companies are working around the clock to find the best, the fastest, easily available, and most accurate diagnostic tests for the causative agent, COVID-19. Abbott Company based in the United States is among the leading companies in … Read more COVID-19 Diagnostic Test: Abbott ID NOW COVID-19
COVID-19 Basics What is COVID-19? This is an infectious disease that was discovered to causes a cluster of pneumonia cases first identified in Wuhan, China. It is caused by the 2019 Novel Coronavirus, formerly known as “2019 novel coronavirus (2019-nCoV)” and the disease was officially named COVID-19, by the World Health Organisation on February 11, … Read more COVID-19 – Frequently Asked Questions (FAQs)
In the past two decades, we have witnessed epidemic and pandemic, severe respiratory tract illnesses, whose etiological pathogens are viruses. They include H5N1 influenza in 1997, severe acute respiratory syndrome (SARS) in 2003 and pandemic H1N1 influenza in 2009, epidermic MERS-CoV in 2012 and just recently the emergence of the novel coronavirus, SARS-CoV-2 Acute Respiratory … Read more Treatment, Vaccine and Management of COVID-19 (SARS-CoV-2)
Introduction A recent cluster of pneumonia cases in Wuhan, China was caused by a novel beta coronavirus, the 2019 novel coronavirus (SARS-CoV-2). According to the World Health Organization (WHO), the disease caused by Novel Coronavirus, 2019-nCoV (SARS-CoV-2) is now officially called COVID-19. Data collected and analyzed from patients using Real-time PCR and Next Generation Sequencing … Read more Novel Coronavirus, SARS-CoV-2 and COVID-19 (Updated 2020)
Vancomycin-resistant bacteria: VRSA and VRE What is Vancomycin? Vancomycin is a glycopeptide antibiotic that is used to treat bacterial infections in the intestinal tract caused by Clostridium difficile and Staphylococcus infections and Enterococcus spp that cause inflammations in the large and small intestines. It can be administered in two ways, orally and intravenously. Oral administration … Read more Vancomycin-resistant bacteria: VRSA and VRE
Probiotic strains and their Human benefits What are Probiotics? Probiotics are living microorganisms that are intended to have health benefits when consumed or applied to the body. They are majorly found in milk products like yogurt, cheese, fermented foods, and food supplements. The Science of microorganisms has shown that most bacterial characteristics are similar morphologically … Read more Probiotic strains and their Human benefits
Carbapenem-Resistant Gram-Negative Bacteria The Carbapenem-Resistant Gram-Negative bacteria are a group of bacteria that have developed resistance against Carbapenem Antibiotics a last resort drug of administration for most gram-negative bacterial infections that have developed resistance against all possible antibiotics. These include the Carbapenemase Producing Organisms( CPOs) and Carbapenem-Resistant Enterobacteriaceae (CREs). Carbapenem-Resistant Enterobacteriaceae (CREs) are a group … Read more Carbapenem-Resistant Gram-Negative Bacteria