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  Viral Infections Like Influenza: Causes, Impact, and Prevention Viral infections are among the most prevalent illnesses affecting humans globally, with influenza (commonly known as the flu) being one of the most well-known examples.  Influenza is a highly contagious respiratory infection caused by influenza viruses, which belong to the Orthomyxoviridae family.  These viruses are responsible for seasonal outbreaks and occasional pandemics, causing significant morbidity and mortality worldwide.  Understanding the nature, transmission, symptoms, and prevention of influenza provides a broader perspective on managing viral infections effectively. READ MORE:- What is Influenza? Influenza is an acute respiratory infection caused by influenza viruses, primarily affecting the nose, throat, and sometimes the lungs.  There are three main types of influenza viruses:  A, B, and C , with types A and B being the most common causes of seasonal epidemics.  Influe...

  Tuberculosis (TB): Definition, Symptoms, Treatment, and Side Effects Tuberculosis (TB) is a contagious bacterial infection primarily affecting the lungs, though it can also target other parts of the body, including the brain, kidneys, and spine.  TB is caused by Mycobacterium tuberculosis , a bacterium that spreads through airborne droplets when an infected person coughs, sneezes, or talks.   While TB is curable and preventable, it remains one of the leading causes of death from infectious diseases worldwide.  Understanding the disease’s symptoms, treatments, and potential side effects is crucial for effective management and prevention. Definition of Tuberculosis TB can manifest in two forms: Latent TB : In this form, the bacteria remain dormant in the body without causing symptoms. People with latent TB are not contagious, but the infection can become active if the immune system weakens. Active TB : This occurs when the bacteria multiply, causing sympt...