The common bloodless and the flu proportion many capabilities: They’re both resulting from viral infections, have comparable symptoms, and generally can be handled at domestic. they also commonly increase in stages, with sure symptoms emerging because the contamination progresses. but there are differences inside the onset, severity, and duration of the standard bloodless or bout of influenza. what is influenza, aka the flu? Influenza, generally known as the flu, is a contagious respiration illness resulting from viruses that infect the nostril, throat, and lungs. it may variety from slight to intense. when unwell with the flu, human beings regularly experience a few (or even all) of those flu signs and symptoms: Fever or feeling feverish/chills (not anyone with the flu truly gets a fever) Cough Sore throat Runny or stuffy nose Muscle or body aches headaches How lengthy does the flu last? As harsh because the flu may be, the coolest information is that most of the people experience a great deal higher within one to 2 weeks. most healthful adults turn out to be contagious the day earlier than symptoms increase (which makes it trickier to save you from spreading). They stay infectious for up to 5 to seven days after symptoms appear. but, kids and people with weakened immune systems may be contagious for a fair longer period.