Answer: No
Explanation: Since when a child is born it has DNA from both. As an example, the mom has brown hair, father has blonde hair, the child would take the DNA for the type of hair they get, either blonde or brown. So since its blood, the fathers is A, and the boy's is B, therefore it didn't take any of their DNA's so nope, he isn't the father.
It is most likely Vulval herpes.
It is infection caused by Herpes simplex type I or type II. Herpes is manifested with vesicles that are aggregated and filled with clear fluid. These vesicles later rupture and thus form ulcers. Symptoms include pain, burning, or itching.
The system of glands, tissues, and cells that helps control body functions by releasing hormones is the ENDOCRINE SYSTEM. It is a collection of different glands that produces the hormones needed in the body for different functions. Hope this helps. Have a nice day.