Lassa fever is an infectious disease that belongs to the group of hemorrhagic fevers and is caused by a Lassa virus. It is highly contagious and distinguishes by gradual development, severe intoxication, hemorrhagic syndrome and liver damage. The disease is widely spread in some countries of Western and Central Africa.
Dengue fever is a viral disease which is caused by a virus of 4 types. Each type of the virus causes fever that in the majority of cases ends with recovery. After treatment the patient acquires a strong immunity only to the type of virus that caused the fever. This means there is a risk […]
Pediculosis is a quite widespread disease which is manifested by an invasion of lice that make damage to the patient’s skin and hair. The first symptoms of pediculosis often appear after a few weeks since the incubation period of the disease is 30 days or even more. Let’s examine the basic signs of pediculosis.
Rubella is a viral disease that belongs to a group of airborne infections. The highest possibility to get infected by rubella is when the immune system is weakened. A sick person during the incubation period, i.e. the first 5-7 days since the onset is the source of the rubella virus.
Chickenpox is an acute viral infection accompanied by intoxication of the organism and damage of the mucous membranes and skin by a characteristic rash. The disease is caused by a virus that is unstable in the environment and dies quickly under the influence of sunlight, heat, ultraviolet radiation. Only a sick man is a source […]
Pertussis or a whooping cough is an infectious bacterial disease. Its pathogen spreads through the air with the particles of saliva when the patient coughs and sneezes. Penetrating the mucosa of the upper respiratory tract of a healthy person the virus immediately starts to proliferate in the organism. This disease is especially dangerous to children […]
Encephalitis is an inflammation of brain caused by a viral infection. Sometimes the immune system may mistakenly attack its own tissues that results in encephalitis. This pathology is an acute inflammation that comes suddenly, develops rapidly and needs urgent medical help. Encephalitis may emerge as a consequence of some other diseases, for instance, measles, chickenpox […]
Fever The disease begins with a sharp rise of temperature to 38-40 degrees. Virus particles enter the blood flow and interact with lymphocytes. Lymphocytes release substances that serve as a signal to the hypothalamus (part of the brain) to increase a body temperature. Fever is a mechanism that helps to create unfavorable conditions for the […]
Pharyngitis is an inflammation of the mucous membrane of the throat. This process can be both acute and chronic and is frequently of a viral nature, although bacterial invasion is also possible. Pharyngitis should be treated carefully, since it may cause the development of some serious complications, including heart and joint rheumatism.
West Nile fever is a disease caused by a viral infection. For the first time the virus of the West Nile fever was isolated in 1937 in Uganda. The disease is spread mostly in Africa and Asia. The incubation period ranges from several days to 2-3 weeks but usually it is 3-6 days. The disease […]