{"id":11445,"date":"2026-02-20T00:47:12","date_gmt":"2026-02-19T22:47:12","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=11445"},"modified":"2026-04-20T18:53:25","modified_gmt":"2026-04-20T15:53:25","slug":"how-does-the-flu-manifest-itself-to-someone-who-is-at-risk-and-when-do-you-need-diagnostics","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/how-does-the-flu-manifest-itself-to-someone-who-is-at-risk-and-when-do-you-need-diagnostics\/","title":{"rendered":"Influenza B: how it manifests itself, who is at risk and when diagnostics are needed"},"content":{"rendered":"
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Influenza B is a seasonal viral infection that causes waves of illness every year along with influenza A. Although influenza B does not cause pandemics, it can cause severe illness and serious complications, especially in children, the elderly, and patients with chronic diseases.<\/p>\n

Understanding the characteristics of the influenza B virus, its transmission routes, symptoms, diagnostic and prevention methods allows you to reduce the risk of complications and the spread of infection during the seasonal peak.<\/p>\n

According to World Health Organization<\/span><\/span>, influenza A and B viruses cause millions of cases of infection each year, and seasonal vaccination remains the primary method of prevention.<\/p>\n

Features of the influenza B virus<\/h2>\n

Influenza B virus circulates exclusively among humans. It has two main genetic lineages:<\/p>\n