virusinfektio
Virusinfektio is an infection caused by viruses that invade the cells of a host organism and use the cellular machinery to replicate. Viruses are obligate intracellular parasites and require living cells to reproduce. The resulting cellular damage and the host’s immune response together determine the clinical picture of the infection.
Transmission and pathogenesis occur through various routes. Viruses can enter the body via the respiratory tract,
Clinical presentation varies widely by virus and host factors. Common symptoms include fever, fatigue, cough or
Diagnosis generally relies on laboratory tests, such as polymerase chain reaction (PCR) to detect viral genetic
Treatment is often supportive, including hydration and rest. Antiviral medications are available for a limited number