🧪Vaccines mimic infections to activate the immune system's response.
💉Antigens in vaccines stimulate the production of antibodies.
🌡️Vaccines can provide long-lasting immunity, sometimes lasting a lifetime.
🌍Vaccines have contributed to the eradication of diseases like smallpox and near elimination of polio.
⚠️Vaccines can have adverse effects, including autoimmune disorders and allergies.
How do vaccines work?
—Vaccines imitate infections and stimulate the immune system to produce antibodies, providing long-lasting protection.
What are antigens in vaccines?
—Antigens are substances that trigger the immune system to produce antibodies.
Do vaccines provide lifelong immunity?
—Some vaccines can provide lifelong immunity, while others may require periodic boosters.
Have vaccines eradicated any diseases?
—Yes, vaccines have contributed to the eradication of diseases like smallpox and near elimination of polio.
Can vaccines have adverse effects?
—Yes, vaccines can have adverse effects, including autoimmune disorders and allergies.
00:05Vaccines are biological preparations that imitate infections to activate the immune system.
07:45Vaccines have greatly reduced the prevalence of diseases and contributed to disease eradication.
09:00Some individuals may exhibit vaccine hesitancy due to lack of confidence or misinformation.
12:30Vaccines work by imitating infections and triggering an immune response through antigens.
