Multi Pronged Attack Of Covid-19 On The Human Body
World Health Organisation acronym for Corona virus was Covid-19 because of its dominant presence in year 2019. Its ravages in the world brought more attention to it.
Gleaned from the internet, these viruses are tiny parasites made of genetic material wrapped in proteins. An outer membrane layer allows the living cells to reproduce copies of themselves.
We are surrounded by viruses, our robust immune system stops their invasion into our bodies mostly. The antibodies of previous attacks of viruses gives protection now and extends to those vaccinated.
Earlier stages of infection occur when a virus gets past the physical barriers of skin and mucus and enters the suitable cell. Once inside a cell, it makes numerous copies of the virus that start the sickness.The copies are equally virulent as the source virus.
Normal functioning is disrupted. Rhino viruses infect upper airways behind our nose. Our body response is production of snot and sneezes: a common cold. The corona virus infects lower airways, including our lungs leading to pneumonia.
Comments
Post a Comment