Tag Archives | vaccination


New hypothesis links smallpox vaccination and HIV

Smallpox immunization may confer protection against HIV, say researchers who suggest that the end of smallpox vaccination in the mid-20th century may have caused the rapid contemporary spread of HIV. The new theory, published in BMC Immunology, notes that vaccinia immunization, as given to prevent the spread of smallpox, produces a five-fold reduction in HIV […]

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Influenza during pregnancy linked to schizophrenia

When mothers contract influenza during their pregnancy, it may increase the risk for schizophrenia in their offspring, reports the journal Biological Psychiatry. Now, a new study suggests that the observed association depends upon a pre-existing vulnerability in the fetus. Dr. Lauren Ellman, who is affiliated with Columbia University and Temple University, determined that fetal exposure […]

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