The present invention relates to a combination vaccine comprising a mixture of antigens for protection against diseases such as diphtheria, tetanus, acellular pertussis, and infections caused by Haemophilus influenzae and polio viruses. The present invention also relates to inclusion of antigens for protection against infections caused Hepatitis virus and other pathogens, such that administration of the vaccine can simultaneously immunize a subject against more than one pathogen. The invention in particular relates to a fully liquid stable combination vaccine comprising the antigens as indicated above and the methods for manufacturing the same.