A man with suspected active TB wants to be treated at home. What should be done to prevent the spread of diseases?

A man with suspected active TB wants to be treated at home. What should be done to prevent
the spread of disease?
a. Immediate start of the tx with Anti-TB drugs
b. All family members should be immediately vaccinated with BCG vaccine
c. Patient should be isolated in a negative pressure chamber in his house
d. Universal prevention application protocol
Ans. The key is D. Universal prevention application protocol.