Hormones are carried by the blood stream to their target cell once there they bind to the cell. the answer to your question is they are carried by the bloodstream.
You will check into a hospital for an outpatient surgical procedure.
The answer is sanitization
A non-sexual method can be by blood transfusion. If you take blood from someone who has HIV and use it on yourself you will get HIV. Same goes for injecting spinal fluid or any other bodily fluid. You cannot however transmit it by shaking hands with someone, or by sharing the toilet with someone or anything similar.
When ventilation can't be achieved with a bag and mask, the intervention that should be done is using a <span>laryngeal mask airway. It is a medical device that keeps the airway of the patient open and allows for effective ventilation using a bag.</span>