Diphtheria<span>, Haemophilus </span>influenzae<span> serotype b infection,</span>hepatitis B<span>, </span>measles<span>, </span>meningitis<span>, </span>mumps<span>, </span>pertussis,poliomyelitis<span>, </span>rubella<span>, </span>tetanus<span>, </span>tuberculosis<span>, and </span>yellow fever are considered to available
I am thinking its D or A but it may be wrong
Also called respiratory apparatus and ventilatory system.
