Bachelor of Medicine, Bachelor of Surgery, or in Latin Medicinae Baccalaureus, Baccalaureus Chirurgiae (abbreviated in various ways, viz. MBBS or MB BS, MB BChir, BM BCh, MB BCh, MB ChB, BM BS, BM, BMed etc.), are the two first professional degrees awarded upon graduation from medical school in medicine and surgery by universities in various countries that follow the tradition of the United Kingdom. The naming suggests that they are two separate degrees; however, in practice, they are usually treated as one and awarded together. Professionals holding MBBS Degrees are referred to by the courtesy title of "Doctor" and use the prefix "Dr".
The degree is currently awarded in various forms in institutions in Australia, Bahrain, Bangladesh, Barbados, China, Egypt, Fiji, Ghana, Guyana, Hong Kong, India, Indonesia, Iran, Iraq, Ireland, Jamaica, Jordan, Kenya, Kuwait, Libya, Malawi, Philippines, Malaysia, Mauritius, Mexico, Myanmar, Nepal, New Zealand, Nigeria, Pakistan, Papua New Guinea, Samoa, Saudi Arabia, Sierra Leone, Singapore, South Africa, Sri Lanka, Sudan, Tanzania, Trinidad and Tobago, Uganda, the United Arab Emirates, the United Kingdom, Zambia and Zimbabwe.