Fig. 1.
Multi-cycle replication of H6 avian influenza viruses in A549 cells. A549 monolayers were inoculated with virus at a MOI of 0.01, and the culture supernatants were collected at the indicated time points and then titrated in eggs.
Multi-cycle replication of H6 avian influenza viruses in A549 cells. A549 monolayers were inoculated with virus at a MOI of 0.01, and the culture supernatants were collected at the indicated time points and then titrated in eggs.