Tagged: disease

Epidemiology 1

Epidemiology and stages of a disease

Since the dawn of human history, our species has been plagued by disease. It wasn’t until the Renaissance, when the scientific method was first applied to medicine, that we began...


How much do you know about viroids and virusoids?

Let’s update your knowledge about the sub-viral agents – ‘Viroids and virusoids’. What are Viroids? Viroids are infectious agents that consist only of RNA. Viroids consist of single-stranded circular RNA...


Human diseases caused by bacteria

Turning attention to bacterial pathogens, of all the known bacterial organisms, very few of them are pathogenic to humans causing bacterial diseases. Human diseases caused by bacteria (bacterial diseases) have...