If another MLV vaccine is given a year later, the antibodies from the first vaccine neutralize the antigens of second vaccine, and there is little or no effect. (caberfeidh.com)
The cervical cancer vaccine — the second vaccine after the hepatitis B vaccine to target a sexually transmitted disease — debuted this year. (discovermagazine.com)
The second vaccine is made from a purified, inactivated Zika virus that recently circulated in Puerto Rico. (sciencedaily.com)