What is hepatitis B? Hepatitis B virus (HBV) is a member of the Hepadnaviridae (hepa – Greek for liver, dna – the type of genetic material it has,…
What is tetanus? Tetanus is a nervous system disorder that results in intense, painful muscle spasms. Clostridium tetani (C.tetani), the responsible bacteria, releases toxins that irreversibly bind to,…
What is polio? Polio (short for poliomyelitis) is an illness caused by polioviruses, which are a member of the broader family of enteroviruses. Enteroviruses can cause a wide…