What is the Norovirus? Norovirus is the main cause of viral diarrhoea and vomiting besides rotavirus: The virus nests in the early small intestine and causes a decline of the intestinal cells there. As a result, the intestine can no longer absorb enough water from the stool and severe diarrhoea results. However, the disease is … What is the Norovirus? | Viruses
Definition Viruses (singular: virus) are the smallest, infectious particles and also parasites, i.e. living organisms that cannot reproduce independently without a host organism. On average, a virus particle is between 20 and 400 nm in size, many times smaller than human cells or bacteria or fungi. Structure of viruses The structure of viruses is not … Viruses
Reproduction mechanism of viruses In addition, the virus is able to multiply (replicate) by introducing its DNA or RNA into the host cell. The first step is always for the virus to attach itself to the host cell. The genetic material is then introduced into the cell. There the envelope(s) are then removed (uncoating), after … Reproduction mechanism of viruses | Viruses
Known RNA viruses Of particular importance with RNA viruses are for humans: Flaviviruses include hepatitis C virus, which, just like hepatitis B virus, can cause inflammation of the liver, which is much more common and chronic than HBV, and the viruses responsible for yellow fever and dengue fever. Coronaviruses are often the trigger of gastroenteritis … Known RNA viruses | Viruses
What is the Ebola virus? The Ebola virus belongs to the so far little researched and dangerous viruses whose infection is associated with a high death rate. like conjunctivitis and develops a characteristic rise and fall in body temperature only after about a week. This leads to reddening of the skin similar to a rash … What is the Ebola virus? | Viruses
Synonyms Avian influenza; avian influenza Microbiological: H5N1, H7N2, H7N9Avian influenza is an infectious disease caused by certain forms of the influenza virus. In a broader sense, bird flu is also known as “avian influenza” or “avian influenza”. Normally, avian flu mainly affects poultry (especially chickens, turkeys and ducks), but extensive mutations of the causative viruses … Bird flu
Symptoms The typical symptoms of avian influenza show themselves in different ways in each of the affected patients, depending on the immune situation. Since the incubation period of avian flu (the time between infection and outbreak of the disease) is approximately 14 days, the first symptoms can be expected after this period. The symptoms of … Symptoms | Bird flu
Therapy Even the suspicion of an avian flu infection is enough to justify isolating the affected patient. Only in this way can the spread and transmission of the viral pathogen to other people be prevented. The actual treatment of avian flu is quite difficult, because most of the known drugs that are directly directed against … Therapy | Bird flu
Course and complications The course of the bird flu can take a completely different course with each humans. In a few cases, affected patients do not develop any symptoms at all or only suffer from mildly pronounced cold symptoms. Other patients, on the other hand, have a more pronounced clinical picture with high fever, severe … Course and complications | Bird flu
Definition Toxoplasmosis is an infectious disease caused by the unicellular organism Toxoplasma gondii. The first description of toxoplasmosis dates back to 1923, but it was not fully understood until almost 50 years later. Toxoplasmosis usually proceeds without further symptoms and is usually harmless. For people with a weak immune system or a first infection during … Toxoplasmosis
Symptoms of Toxoplasmosis The nature of the symptoms of toxoplasmosis are related to the time of infection and the state of the immune system of the affected person. Infections after birth usually go unnoticed in healthy people. If symptoms occur, they are noticed by flu-like symptoms. These include swollen lymph nodes (lymphadenopathy) and a general … Symptoms of Toxoplasmosis
Definition The human papilloma virus – HPV for short – is a pathogen that is about 50 nanometers in size and of which there are well over a hundred different species that cause different clinical pictures. For example, HPV can cause skin warts, but it can also be a predisposing factor for cervical cancer or … What is the HP virus?
