Rabies is a disease humans may get from being bitten by an animal infected with the rabies virus. Rabies has been recognized for over 4,000 years. Yet, despite great advances in diagnosing and preventing it, today rabies is almost always deadly in humans who contract it and do not receive treatment.
An Achilles heel is a weakness in spite of overall strength, which can actually or potentially lead to downfall. While the mythological origin refers to a physical vulnerability, idiomatic references to other attributes or qualities that can lead to downfall are common. Synonyms.
The Achilles tendon is a tendon, meaning it connects muscle to bone, and is located at the back of the lower leg. The Achilles tendon connects the gastrocnemius and soleus muscles to the calcaneal tuberosity on the calcaneus (heel bone).