Coronaviruses are viruses that affect animals and humans in the respiratory tract. they can be in common colds, phneumonia and can also effect the gut. Coronaviruses were first identified in the 1960's. In the case of humans this is commonly caught in the winter months or early spring. So far there is currently no cure for this illness.
Explanation: Fermentation is the process that occurs when there is not enough oxygen in yeast cells for aerobic respiration. Fermentation is the process that converts sugars to acids, alcohol or gases.
