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Create: 2025-06-30 Update: 2025-07-06 15:30:55

حدود ۹۰٪ تا ۹۵٪ از افرادی که در سن توصیه‌شده، یک دوز از برخی واکسن‌های زنده تزریقی مانند سرخک (measles)، سرخجه (rubella) و تب زرد (yellow fever) را دریافت می‌کنند، معمولاً طی ۱۴ روز پس از تزریق، آنتی‌بادی‌های محافظتی در بدنشان تشکیل می‌شود.

در مورد واکسن آبله‌مرغان (varicella) و اوریون (mumps)، حدود ۸۰٪ تا ۸۵٪ از افراد پس از دریافت تنها یک دوز، ایمنی کافی پیدا می‌کنند.

با این حال، به دلیل اینکه درصدی از افراد (حدود ۵٪ تا ۲۰٪) پس از دریافت یک دوز از واکسن‌های ترکیبی مانند MMR (واکسن سرخک، اوریون و سرخجه) یا واکسن آبله‌مرغان پاسخ ایمنی مناسبی نشان نمی‌دهند، توصیه می‌شود دوز دوم این واکسن‌ها نیز تزریق شود تا شانس بیشتری برای ایجاد ایمنی فراهم گردد.

در بین افرادی که پس از دوز اول واکسن MMR (به‌ویژه بخش مربوط به سرخک) یا واکسن آبله‌مرغان ایمنی لازم را کسب نمی‌کنند، بین ۹۷٪ تا ۹۹٪ آن‌ها پس از دریافت دوز دوم پاسخ ایمنی مناسبی نشان می‌دهند.
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Should You Buy Bitcoin?

In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.

حدود ۹۰٪ تا ۹۵٪ از افرادی که در سن توصیه‌شده، یک دوز از برخی واکسن‌های زنده تزریقی مانند سرخک (measles)، سرخجه (rubella) و تب زرد (yellow fever) را دریافت می‌کنند، معمولاً طی ۱۴ روز پس از تزریق، آنتی‌بادی‌های محافظتی در بدنشان تشکیل می‌شود.

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