Under Perens' definition, open source describes a broad general type of software license that makes source code available to the general public with relaxed or non-existent copyright restrictions.
1 Illnesses such as the flu or colds. Home treatment of your flu and cold symptoms usually will relieve lightheadedness. 2  Vomiting, diarrhea, fevers, and other illnesses that cause dehydration.  Very deep or rapid breathing (hyperventilation).
It can cause mild to severe illness, and at times can lead to death. The flu is different from a cold. The flu usually comes on suddenly. People who have the flu often feel some or all of these symptoms: 1  Fever* or feeling feverish/chills. 2  Cough. 3  Sore throat. 4  Runny or stuffy nose. 5  Muscle or body aches.6  Headaches.t can cause mild to severe illness, and at times can lead to death. The flu is different from a cold. The flu usually comes on suddenly. People who have the flu often feel some or all of these symptoms: 1  Fever* or feeling feverish/chills. 2  Cough. 3  Sore throat. 4  Runny or stuffy nose. 5  Muscle or body aches.