Sample essay topic, essay writing: Mono - 428 words

Cause Infectious mononucleosis is caused by theEbstein-Barr virus, which is a member of the herpes family. This family also includes the viruses that cause cold sores, chicken pox, genital herpes, and birth defects. TheEbstein-Barr virus has a lengthy incubation period andsymptoms usually take about 4-10 weeks to develop. Once a person is infected with a herpes virus, it never reallygoes away. The viruses are able to lie dormant in ourbodies and become active at any time. The only way monocan be spread is through direct contact with infected saliva. That explains why it is known as the "kissing disease".Drinking from each - others glasses, sharing silverware, andcoughing can also spread the virus. In rare cases it can betransmitted from person to person through bloodtransfusions.

A person can only be infected when someonewho has the virus passes it to someone who has never beenexposed. But less than 5% of people w/ mono can recallbeing in contact w/ someone who had mono. That is b/csome people are strictly carriers. They carry the virus andpass it along to someone else without ever getting anysymptoms themselves. Population Affected Anyone can getmono

About 70-80% of all cases occur in people btw/ theages of 15-30. Mono is most common among high schooland college students who immune systems are usually rundown from stress and fatigue. Although mono peaks earlierin females, it occurs more often in males. Females areusually 15-16 when they contract mono and males tend tobe around 18-23. It is estimated that by the age of 40,95% of the population has already had mono. That mightbe hard to believe, but most people who had mono didn'teven know it. They had such mild cases that they thought itwas just a cold or flu and their bodies were able toproduce antibodies against ever having mono again. Symptoms If symptoms do appear, they don't developimmediately.

The incubation period lasts anywhere from 2to 7 weeks. The 1st symptoms are commonly mistaken fora cold. They are headache, fatigue, loss of appetite, andchills. The symptoms become more severe as the body'slymphatic system is affected. These include extremeexhaustion, sore throat, fever and swollen glands.

Soremuscles, weakness, nausea, and difficulty breathing havealso been reported. The typical mono symptoms usuallylast 1-3 weeks, but they can go away in a few days or lastseveral months. Mono causes enlarged spleens in 50% ofpatients and enlarged livers in 20%. Tonsillitis, difficultyswallowing, coughing and vomiting are other symptoms thatcan occur. About 1/2 of all mono patients experience bumpson theie tongues, 1/3 have puffy, painful eyes, and 1/10develop a rash over their bodies. Although most symptomsdon't last long, fatigue can last for many months.

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