After one month, a death certificate must be signed to confirm the death.
So its acquired immunity and the cells responsible are the B lymphocytes that produces antibodies against the virus. Memory is keep since first encounter of the virus by the immune system by way of the antibodies that was initially produced. The antibodies are there already, which makes it fast to act upon when expose again.
Can be carried along on a trip
Answer: All can be checked except for the "predict all future health issues" one
