Dental operator having highest risk of infection from:
Correct Answer: Hepatitis B
Description: HBV is very highly infectious, far more that HIV. Any object or procedure than can convey minute traces of infected blood or other material, as little as 0.00001 ml, can be infectious. These include shared syringes, needles and other sharp items or endoscopes, personal articles such as razors, nail clippers or combs, and practices such as acupuncture, tattooing, ritual circumcision, ear or nose piercing, and field camps for surgery or disease detection by blood testing where separate sterile articles may not be available. Professionals using sharp articles like barbers, dentists and doctors may unwittingly transmit the virus if great care is not taken.
Reference: Ananthanarayan Microbiology 8th edition page no 550
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