[They] stimulate the immune system, white blood cells that fight infections by giving something that looks similar to the disease,

If someone has a disease that caused bleeding, that causes bleeding, that could cause bleeding in the future, giving anticoagulants ... is certainly an undesirable situation.

If someone has a disease that caused bleeding, that causes bleeding, that could cause bleeding in the future, giving anti-coagulants … is certainly an undesirable situation.

If someone has a disease that caused bleeding, that causes bleeding, that could cause bleeding in the future, giving anti-coagulants ... is certainly an undesirable situation.

If someone has a disease that caused bleeding, that causes bleeding, that could cause bleeding in the future, giving anticoagulants … is certainly an undesirable situation.

If someone has a disease that caused bleeding, that causes bleeding, that could cause bleeding in the future, giving anticoagulants … is certainly an undesirable situation.