The successful infection of a host, and subsequent spread to another, results from a specific sequence of events known as the replication cycle. Each of the statements below describes an important step in the replication cycle of influenza. Arrange the following statements in the order that best describes the sequence of events involved in the replication of influenza.
1. HA spikes attach to host cells
2. Influenza enters the host cell
3. Influenza nucleic acid is packaged in capsid
4. Influenza particles bud from the cell, releasing the virus into the surrounding environment
5. Influenza proteins are synthesized
6. Nucleic acid is released into the host cytoplasm