A red tide is a common term used for a harmful algal bloom. Harmful algal blooms, or HABs, occur nearly every summer along the nation's coasts. Often, the blooms turn the water a deep red.Harmful algal blooms, or HABs, occur when colonies of algaeâsimple plants that live in the sea and freshwaterâgrow out of control while producing toxic or harmful effects on people, fish, shellfish, marine mammals, and birds.The human illnesses caused by HABs, though rare, can be debilitating or even fatal.armful algal blooms, or HABs, occur when colonies of algaeâsimple plants that live in the sea and freshwaterâgrow out of control while producing toxic or harmful effects on people, fish, shellfish, marine mammals, and birds. The human illnesses caused by HABs, though rare, can be debilitating or even fatal.
Medicare Advantage plans provide a managed health care plan (typically a health maintenance organization (HMO) but also often a preferred provider organization (PPO) or another type of managed care arrangement) that is paid based on a monthly capitated fee.
Related to Health Insurance and Medicare. Medicare Advantage: Private Health Insurance Through Medicare. Medicare Advantage plans (''Part C'') are required to cover the same services that Original Medicare covers. Some may also cover prescription drugs and dental or vision care. Medicare Advantage plans may give you some discounts or pay for services that Original Medicare may not cover.