How Long Is Flu Lasting 2024. One month post vaccination the mice were challenged with both live influenza strains, with the animals that received dpx+flu having an almost 100% survival 10 days post. Influenza, or flu, is a highly contagious respiratory illness caused by influenza viruses.
According to a new study, lingering lung problems are just one of the problems some are experiencing 18 months after ill. One month post vaccination the mice were challenged with both live influenza strains, with the animals that received dpx+flu having an almost 100% survival 10 days post.