The following section looks at each of these routes into the public domain more closely. Copyright has expired for all works published in the United States before 1923. In other words, if the work was published in the U.S. before January 1, 1923, you are free to use it in the U.S. without permission.
Allergies. An allergy is a broad category describing any time your immune system reacts differently than a normal personâs immune system would react when exposed to something. Symptoms can range from undetectable to extreme and constant, depending on the specifics of the allergy. Weather can play a huge role in allergies and their symptoms during all four seasons of the year. Some people are triggered by rain, others by dry weather. Heat triggers some and cold triggers others. Each of the four season changes can bring new changes in allergy symptoms:
1 Onset of Symptoms: Cold viruses take about three days (from the time of infection) to cause symptoms. 2  The sneezing, watery eyes, etc., from an allergy can happen as soon as you are in contact with the allergen. 3  Allergy Symptom Characteristic: Allergies never cause a fever or body aches. Allergy Symptom Characteristic: Allergies never cause a fever or body aches. 2  The following symptoms are more common in allergy sufferers (though can sometimes be associated with colds, too): itchy, watery eyes; clear mucus that doesnât turn yellow; and symptoms that are triggered when seasons change.