Positive-sense Rna Viruses
Positive-sense RNA viruses are a major class of viruses that cause various human, animal, and plant diseases. They have a single-stranded RNA, which carries genetic information, as their genetic material. The genetic material of the virus is directly translated into proteins, thus the ‘positive’ designation. The genome of positive-sense RNA viruses can range from 1.7 to 4.6kb in size. Some of the most common positive-sense RNA viruses include rhinoviruses which cause the common cold, polioviruses, hepatitis C virus, and dengue virus. Positive-sense RNA viruses are important to understand since they cause a high number of human diseases and manifest in many forms. Consequently, advances in understanding these viruses can be used to develop strategies for prevention, diagnosis, and treatment.
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