Antibodies in the antiserum bind the infectious agent or antigen. However, some antibodies found in antiserum are cross-reactive. Tetanus antiserum production at Elstree was increased. Such "convalescent serum" (antiserum) is a form of immunotherapy. This assay may be modified to include the addition of an antiserum. His laboratory made decisive contributions to developing antiserum for diphtheria and standardizing therapeutic serums. The highest immunization risk for horses was the production of antiserum for snake venom. Typically, diagnosis has been done by culturing on sorbitol-MacConkey medium and then using typing antiserum. Outbreaks in piglets from unvaccinated sows may be treated with oral antibiotics and antiserum. Tetanus antiserum was developed in 1890, with its protective effects lasting a few weeks. In 1913, Behringwerke expanded to produce a gas gangrene antiserum and a cholera vaccine. While Rosalia's blood is unusable, an antiserum is developed using the blue "Asclepias". There are antiserum kits that can confirm the viruses identity. In 2013 they signed with Steamhammer/SPV to release their next album, "Antiserum". At least one protects specifically against bites from "B. nasicornis"&colon; India Antiserum Africa Polyvalent.