Viruses can harm us, one example being COVID-19. This is because viruses can not replicate or live by themselves. So they insert themselves into host cells (our cells) and use the host’s organelles and machinery to replicate. Once replicated, they burst out of the cell by cytolysis, killing the cell in the process. As a … Continue reading How viruses help kill bacteria.
Norovirus is also known as the winter vomiting bug as it is more common in the winter months but it can occur at any time of the year. Before being called Norovirus is was called Norwalk Agent after the place it was first identified, Norwalk, Ohio. In 1968 an acute gastroenteritis outbreak occurred in the … Continue reading Norovirus – A Tummy-turner of a Virus