The deep socio-economic changes, taking place in different countries, lead not only to changes in the quality of life, but also cause adverse trends in the growing number of diseases. This makes the assessment of the viral infections incidence particularly important.
Despite the undoubted achievements in the fight against infectious diseases, their importance in the overall incidence structure does not only decrease, but also shows an increasing trend, according to various estimates. Due to this, the timely diagnosis and detection of viral infection symptoms play a special role.
Microscopic organisms evolve with the development of humanity and expand the number of diseases. New methods for the treatment and prevention of diseases do not reduce the number of affected persons in developed and developing countries (such as USA, India, Australia, Canada and the UK).
The virus infection symptoms will vary looking on the sort of infection, duration of infection, age of people, and many other factors. This review can address a number of the foremost common microorganism infections symptoms.
This disease is characterized by hepatic inflammation and can have acute or chronic forms. Viral hepatitis is a common intestinal infection with fecal-oral mechanism of transmission. The causes of infection are eating a variety of foods, not exposed to heat treatment, drinking raw water, and dirty hands.
Children or toddlers square measure most ordinarily infected with hepatitis. This viral infection symptoms are fever, dizziness, muscle aches, fatigue, decreased appetite, nausea, vomiting and frequent bowel movements.
One of the primary hepatitis symptoms is fever, which regularly persists among 1-2 days. Rare disease signs are low blood pressure and tachycardia.
The disease progresses slowly, affecting the cells of the immune system and causing the body loose its ability of defending itself against microorganisms. HIV infection can significantly reduce the life expectancy of the patient, so timely detection of the viral infection symptoms is essential.
Adults and particularly older individuals have associate degree inflated risk of speedy illness progression. Obvious infection symptoms area unit rash, fever, swollen lymph nodes and weight loss. Less commonly observed are nausea, diarrhea and enlargement of the liver or spleen.
The second part of HIV infection is termed symptomless and will last for many years. During this time, people lead normal lifestyle and feel well, so the efforts of many international medical organizations are aimed at identifying the first symptoms.
Influenza virus infection
Influenza is AN acute communicable disease that spreads round the world within the kind of AN annual irruption. Influenza agent is characterized by unusual volatility, adaptability and the formation of totally new strains.
Influenza is a disease with a short incubation period. Its common viral infection symptoms are sore throat, lethargy, drowsiness, muscle weakness, low blood pressure, chills, fever, headache and cough.
Diagnosis of the respiratory disease isn’t troublesome, and domiciliary treatment is usually enough for fighting it. However, hospitalization could also be needed in severe contagious disease symptoms, like high fever, combined with extreme temperature, frequent projection and tissue layer syndrome.
Herpes virus infections
This is a group of widespread infections, which are often characterized by the ability of pathogens to the life-long survival in human bodies. Viruses will keep within the patient’s body for an extended time while not the active copy, metabolism, and symptoms onset.
Herpesviruses are combined into the vast Herpesviridae family, consisting of more than 100 representatives. Only 8 of them are pathogens for humans. They are divided into three subfamilies, depending on the type of genome, immunological characteristics and cells they affect.
Herpes viral infection symptoms can vary, depending on many factors. Common signs are irritability, problematic food intake, lesions of mouth mucosa, genital tract, skin, and nervous system.
Other types of viral infections
There ar many sorts of infective agent infections, which regularly cause diseases. These may include polio, infectious mononucleosis, measles, rubella, smallpox, tick-borne encephalitis, and many others.
Viral infection symptoms and bacterial infection symptoms can be similar, so it is first necessary to identify the type of the protozoa and then prescribe treatment. Duration of treatment with antiviral medicine depends on the severity of symptoms, kinds of the unwellness, age, affected cells or tissues.