Oseltamivir-resistant strains

Oseltamivir-resistant strains are influenza viruses that have developed the ability to survive despite treatment with the antiviral drug oseltamivir (commonly known as Tamiflu). These resistant viruses have genetic changes that make the medication less effective at blocking the virus's ability to spread within the body. As a result, infections caused by resistant strains may not respond as well to standard treatment, potentially leading to longer illness or complications. Monitoring resistance helps in guiding treatment options and developing new drugs to stay ahead of evolving flu viruses.