COVID-19 impacts each particular person otherwise. Even when they weigh the identical and endure from the identical well being situations, they might develop completely different signs and face numerous difficulties. It is likely one of the mysteries scientists are nonetheless making an attempt to determine. Primarily based on the a number of items of analysis carried out until now, genes, intercourse, setting, weight loss plan and a number of other different elements could improve the possibilities of extreme an infection and even develop lengthy COVID. In one more try to grasp the character of the infectious virus, scientists just lately carried out an elaborate research through which it was revealed that an individual’s fingernails can inform if he/she is extra susceptible to endure from lengthy COVID-19.