An update from the Connecticut bio-front, airborne division.

A new report finds no evidence that extending antibiotic treatment past the time it takes to cure Lyme disease does any good.

The West Nile Virus and Lyme disease are at their worst in the summer, but both are less of a threat than asthma.

Health officials report sharp increases in number of Lyme disease cases in Connecticut, New Jersey and Nassau County, NY, but sharp declines in Westchester County; say fluctuations are common and causes are difficult to pinpoint; say reported cases have been increasing over last decade partly because of greater awareness of the disease; photos; map