21. Thus an elevated IgM titre indicates recent primary infection , while the presence of IgG suggests past infection or immunization. 22. But the winter season and aforementioned malnutrition severely worsened his health, and he was hospitalized following his primary infection . 23. The symptoms of prenatally / perinatally acquired STDs are not typically the same as the symptoms of primary infection . 24. It is the reactivation of the virus, not the primary infection , that causes disease in AIDS patients, Monini said. 25. In primary infection , EBV replicates in oro-pharyngeal epithelial cells and establishes Latency III, II, and I infections in B-lymphocytes. 26. But he did not report the accident, although soon afterward he had some signs of a primary infection , Montagnier said. 27. Another 417 children were vaccinated and treated with anti-malarial drugs to test how well the vaccine can prevent primary infection . 28. During a primary infection , long-lived memory B cells are generated, which remain in the body, and provide protection from subsequent infections. 29. During the primary infection , " F . necrophorum " colonizes the infection site and the infection spreads to the parapharyngeal space. 30. Because CMV-specific IgM may be produced in low levels in reactivated CMV infection, its presence is not always indicative of primary infection .
