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October 17 to 19, 2025 - +1-571-5561014
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scientific Sessions
Viral Replication
Viruses cannot grow on their own and need host cells to multiply. They infect the host cells, generate abundant cell copies, destroy the cell, and leave to infect new host cells. Based on their genetic material and site of replication, viruses are categorized into DNA viruses, RNA viruses, and reverse-transcribing viruses.
The life cycle of viruses differs among species, but there are six basic stages in the viral life cycle: attachment, penetration, uncoating, replication, assembly, maturation, and release. During attachment, the virus binds to the surface of the host organism. During penetration, the virus passes through the plasma membrane into the cell. The virus releases its genetic material into the cell in the uncoating process. The replication process involves rapid viral genome production using the host cell’s machinery. In the assembly stage, viral proteins and genomes are combined to form new virus particles. During maturation, the virus undergoes capsid modification to become fully matured. Finally, the matured virus lyses and leaves the host cell in the release stage.
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