NURSING ANM AND GNM

Detailed explanation-1: -All flu vaccines for the 2022-2023 season are quadrivalent vaccines, designed to protect against four different flu viruses, including two influenza A viruses and two influenza B viruses. Different vaccines are licensed for use in different age groups, and some vaccines are not recommended for some groups of people.

Detailed explanation-2: -What is Influenza (Flu)? Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death. The best way to prevent flu is by getting a flu vaccine each year.

Detailed explanation-3: -1.1 Characteristics of Influenza Viruses. Influenza viruses are members of the family Orthomyxoviridae. This family represents enveloped viruses the genome of which consists of segmented negative-sense single-strand RNA segments.

Detailed explanation-4: -Influenza C virus infections are less common and cause mild diseases compared with influenza A and B viruses. Therefore, no vaccines against influenza C viruses are developed for human beings.