Frequency and Rate of Lyme Disease in San Francisco, 1986-2003

Source: Frequency and Rate of Lyme Disease in San Francisco, 1986-2003, San Francisco Department of Public Health

Frequency and Incidence Rate for Lyme Disease
San Francisco, 1986-2003

Year   Number of Cases
1986           1
1987           4
1988          11
1989           7
1990           2
1991           4
1992           3
1993           2
1994           1
1995           1
1996           4
1997           1
1998           6
1999           1
2000           2
2001           3
2002           3
2003           6

Additional Sources:
Frequency, Unadjusted Rates and Standardized Incidence Ratios for Lyme Disease: San Francisco, the Bay Area, California and United States, 1994-2003, San Francisco Department of Public Health

American Dog Tick (Dermacentor variabilis)

Approximate distribution of the American Dog tick by states, Center for Disease Control and Prevention



Description:

Female Dermacentor variabilis, American dog tick, from Panola Park near Atlanta, Georgia.

Content Provider(s): CDC / DVBID / Gary O. Maupin

Photo Credit: CDC / PHPPO / DMTS / James Gathany



Description:

This illustration depicts a dorsal view of a female “hard”, or Ixodidae “American dog tick”, Dermacentor variabilis.

The two major vectors of Rickettsia rickettsii, the bacteria responsible for Rocky Mountain spotted fever in the United States are the American dog tick, Dermacentor variabilis, pictured here, and the Rocky Mountain wood tick D. andersoni.

Content Providers(s): CDC / Andrew J. Brooks

Creation Date: 1972


Copyright Restrictions:

None - These images are in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content providers be credited and notified in any public or private usage of these images.