- Full text PDF available (2)
Social groups are at particular risk for parasite infection, which is heightened in eusocial insects by the low genetic diversity of individuals within a colony. To combat this, adult ants have evolved a suite of defenses to protect each other, including the production of antimicrobial secretions. However, it is the brood in a colony that are most… (More)
Plasma samples contaminated with coagulase-positive staphylococci were found to give a false positive precipitin line for hepatitis-B surface antigen in gel tests. The staphylococcal antibody was found to be present in both normal immunoglobulin and anti-hepatitis-B surface antigen immunoglobulin preparations and also in many normal plasma samples.