Closing Remarks for the Special Issue on Coronaviruses and Influenza Viruses: Evolution, Cross-Species Transmission, and Recombination.

The completion of this Special Issue, "Coronaviruses and Influenza Viruses: Evolution, Cross-Species Transmission, and Recombination", offers a valuable opportunity to reflect on the remarkable scientific progress in understanding two of the most critical groups of emerging and re-emerging viral pathogens that affect both human and animal health [...].