Swine flu, officially known as H1N1 influenza, is a contagious respiratory illness caused by influenza viruses that typically infect pigs but can also spread to humans. Understanding how swine flu spreads, how it is diagnosed, and how to prevent it is essential for protecting public health—especially during seasonal outbreaks. What Is Swine Flu? Swine flu is an influenza A virus …

Measles is a highly contagious viral illness that can lead to serious complications, especially in young children, pregnant people, and the immunocompromised. Although safe and effective vaccines have drastically reduced global cases, outbreaks still occur when vaccination rates fall. This guide explains symptoms, transmission, complications, diagnosis (including serologic testing and RT-PCR), treatment, and prevention. What is Measles? Measles is a …