Recombination and Point Mutations in Type G Rotavirus Strains: The Challenges of Vaccine Development

摘要: Active immunity refers to the process of exposing body an antigen generate adaptive immune response: response takes days/weeks develop but may be long lasting—even lifelong. Wild infection with pathogenic agents (eg. Hepatitis A Virus) and subsequent recovery gives rise a natural active usually leading lifelong protection. In addition, some infections can prevented by immunization vaccines.