Favored shot is a seemingly safer smallpox vaccine, but efficacy remains unclear In 1959, German microbiologist Anton Mayr took a strain of vaccinia, a poxvirus used to inoculate against smallpox, and started to grow it...
Engineered vaccine protein binds key immune cells that exist in nearly everyone Some people infected with HIV naturally produce antibodies that effectively neutralize many strains of the rapidly mutating virus, and...