Once you are infected with virus Herpes Simplex Type 1 virus, it stays in the body and can cause recurring cold sores.
http://healthlink.mcw.edu/article/880000012.html

Cold sores usually run their course in 8 to 12 days, taking the following forms during the five stages outlined below: Day 1-2 : The Tingle stage.  [The Prodrome Stage.]
http://www.animated-teeth.com/cold_sores/t3_cold_sores_stages.htm

Acute viral nasopharyngitis, or acute coryza, usually known as the common cold, is a highly contagious, viral infectious disease of the upper respiratory system, primarily caused ...
http://en.wikipedia.org/wiki/Common_cold

Cold Fronts. Cold fronts are usually associated with depressions. A cold front is defined as the transition zone where a cold air mass is replacing a warmer air mass.
http://www.ace.mmu.ac.uk/eae/Weather/Older/Cold_Fronts.html

Fever? In adolescents and adults, a cold usually doesn't cause any fever or, if it does, it's low-grade (100 - 101°F). The flu almost always causes high fever (102 - 104°F) that ...
http://www.goaskalice.columbia.edu/3570.html

Brief and Straightforward Guide: What are Some Home Remedies for the Common Cold? ... The common cold is usually an uncomplicated illness associated with nasal stuffiness and ...
http://www.wisegeek.com/what-are-some-home-remedies-for-the-common-cold.htm

The entire cold is usually over all by itself in about 7 days, with perhaps a few lingering symptoms (such as cough) for another week. If it lasts longer, see your doctor to rule ...
http://www.pennhealth.com/ency/article/000678.htm

Symptoms of a common cold usually appear about one to three days after exposure to a cold virus. Signs and symptoms of a common cold may include:
http://www.cnn.com/HEALTH/library/DS/00056.html

What is a cold sore?" you may ask. Well, a cold sore or a fever blister is a red, painful blister that usually occurs around the lips and in the mouth.
http://www.coldsoreproof.com/

A cold usually begins with throat irritation. Nasal problems, such as a stuffy or runny nose, usually become the dominant symptom after the second or third day of the cold.
http://yourtotalhealth.ivillage.com/cold-flu-in-children.html?pageNum=7

Severe cold symptoms usually last up to a week, but coughing can last for 3 to 4 weeks. Colds in children may last longer - a week to 2 weeks for the main symptoms.
http://www.healthatoz.com/healthatoz/Atoz/common/standard/transform.jsp?requestURI=/healthatoz/Atoz/dc/caz/resp/cold/cold_gen_ovw.jsp

Cold sores usually appear as clusters of tiny blisters on the lip. Most people are first infected with HSV-1 before they are 10 years old. After this first infection, the virus ...
http://www.simplestepsdental.com/SS/ihtSS/r.WSIHW000/st.31937/t.25014/pr.3.html

Cold symptoms are usually mild and develop 2-5 days after you are exposed to somebody else that is sick. Symptoms may include a fever, runny or stuffy nose, sneezing, sore throat ...
http://pediatrics.about.com/cs/commoninfections/a/flu_treatments.htm

After the blisters appear, the cold sores usually break open, leak a clear fluid, and then crust over and disappear after several days to 2 weeks.
http://health.yahoo.com/skinconditions-overview/cold-sores-topic-overview/healthwise--hw31979.html

The entire cold is usually over all by itself in about 7 days, with perhaps a few lingering symptoms (such as cough) for another week. If it lasts longer, see your doctor to rule ...
http://www.nlm.nih.gov/medlineplus/ency/article/000678.htm

Cold symptoms usually begin with a sore throat, which usually goes away after a day or two. Nasal symptoms, runny nose, and congestion follow, along with a cough by the fourth and ...
http://www.webmd.com/cold-and-flu/cold-guide/flu-cold-symptoms

Sneezing, scratchy throat, runny nose -- everyone knows the first signs of a cold, probably the most common illness known. Although the common cold is usually mild, with symptoms ...
http://www.pamf.org/coughandcold/

INTRODUCTION The common cold is the most common short-term illness in the United States. Though the infection is usually mild and resolves within a short time period, it has been ...
http://patients.uptodate.com/topic.asp?file=inf_immu/7009

A cold sore sufferer usually feels a sensation of heat, tingling, irritation or itching about 24 hours before a blister appears.
http://www.blistex.com/Cold_sores.htm

Fever: Fever is rare with a cold. Fever is usually present with the flu in up to 80% of all flu cases. A temperature of 100°F or higher for 3 to 4 days is associated ...
http://www.tamiflu.com/about/coldflu.aspx?ref=treat_coldflu