Making the world better, one answer at a time. a superbug is a micro-organism that is resistant to most anti-biotics. the superbugs in recent history are imune to all anti-biotics,except one.
Both electronic and paper versions of Series I savings bonds are purchased at face value and earn interest until they are redeemed or reach maturity. You must hold Series I bonds for at least 12 months before redeeming them. Series I savings bonds will continue to earn interest for up to 30 years. They will cease paying interest once they have matured.
Andrea â Series EE Savings Bonds pay interest for 30 years, so yours will come to full value in 2021. You donât say what month they were issued, so Iâve done these calculations assuming they were issued in July. The $500 bond is currently worth $644.60 (the $50s are worth $64.46).