1 Include colds, flu, croup, laryngitis, chest colds (bronchitis) and most sore throats. 2  Are more contagious than bacterial infections. ( 3 If more than one person in the family has the same illness, odds are it is a viral infection.).4  Can make you just as sick as bacterial infections.iral Infections. 1  Include colds, flu, croup, laryngitis, chest colds (bronchitis) and most sore throats. 2  Are more contagious than bacterial infections. 3  Can make you just as sick as bacterial infections. 4  Usually get better in 4-5 days but it might take as long as three weeks to fully recover.
(Reuters) In general terms, the human body can go two to three days without water and, it is often said in survival guides, 30 to 40 days without food of any kind. (Many of these guides also discourage people from scavenging for wild plants or shrubs because of the adverse effects these can have.)
The human body cannot survive without food and water for long periods of time. In fact, according to SurvivalTopics.com, the longest a person can go without water is 10 days--without food, it's four to six weeks. However, due to certain other variables, these numbers can vary. Second to oxygen, water is the most important compound that the human body needs for survival.