π Researchers collect influenza samples to design a new flu vaccine every year.
π‘οΈ Unlike other diseases, influenza has multiple subtypes that change each season and the virus mutates quickly.
π The flu spreads by infecting host cells and turning them into virus factories.
π Getting a flu shot is important because the influenza virus mutates rapidly and can cause different forms of the virus.
πͺ Flu vaccines rely on recognizing and distinguishing the different forms of the virus, so it's crucial to stay updated with regular flu shots.
𧬠The flu virus has a different genetic pattern called RNA, which allows it to mutate quickly and evade error correction.
β The body produces antibodies in response to foreign compounds.
π©Ί Flu vaccines are designed to match specific strains of the virus.
π The influenza virus can undergo rapid genetic mutations, making it difficult for antibodies to recognize.
β° The World Health Organization recommends getting a flu shot twice a year.
π Flu vaccines are selected based on the strains likely to be prevalent in the upcoming season.
π¦ Even if influenza strains mutate, the vaccine can still provide some protection.
π Vaccination helps protect vulnerable individuals and prevents the spread of the virus.
πͺ Getting vaccinated can result in milder symptoms and shorter duration of illness.
β The natural immune response to a flu shot can vary in different regions.
π¬οΈ In some regions, inhalable flu vaccines with weakened live virus are used instead of injections, which are considered safe for most people.
π Individuals with weakened immune systems may be at risk and may not receive live vaccines.
π§ͺ Scientists are developing a universal flu vaccine that will protect against all strains, including mutated ones.
π Until then, the search for the next year's flu vaccine will continue.
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