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