Lyme Disease Lyme disease is transmitted by tiny ticks of the Ixodidae family and afflicts about 10,000 people yearly. Initially identified in a group of children in Lyme, Conn., the disease has now been found in nearly all states and 18 other countries. About 90 percent of cases are repor...

Bronchitis is the inflammation of the bronchi. It may develop suddenly, following a head cold (acute bronchitis), or it may continue or return regularly for many years, causing worsening of the bronchi and lungs (chronic bronchitis). Certain people are more likely to get bronchitis than others...

Influenza Influenza is an infectious disease of the respiratory tract caused by the specific virus of the genus Orthomyxovirus. It is a highly contagious infection, that affects all age groups. Influenza is most dangerous in the very young, the elderly and people with chronic diseases. It is prob...

Bronchitis is the inflammation of the bronchi. It may develop suddenly, following a head cold (acute bronchitis), or it may persist or return regularly for many years, causing progressive degeneration of the bronchi and lungs (chronic bronchitis). Certain people are more susceptible than othe...