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T R Eng

Publications and source records attributed to T R Eng.

22 records · Page 2Linked to original sources

Rabies surveillance, United States, 1988.

The primary purpose of the annual report on rabies surveillance is to assist local and state public health officials in the planning of rabies control programs and to guide health professionals in evaluating the need for rabies postexposure prophylaxis in patients who are exposed to animals that may be rabid. In 1988, a total of 4,724 cases of animal rabies were reported by 47 states, the District of Columbia, and Puerto Rico, similar to the total (4,729) for 1987. No human cases of rabies were reported. The South Atlantic, South Central, North Central, and Middle Atlantic states reported 81% of the cases. Pennsylvania, Texas, California, Maryland, and Virginia each reported over 300 rabid animals. Delaware (61 cases), New Mexico (15), Alaska (34), Connecticut (8), and South Carolina (127) each reported an increase in animal rabies cases greater than or equal to 100% in 1988 compared with 1987. Smaller but significant increases also were reported from Florida (66% increase), Pennsylvania (68%), and Georgia (40%). Eighty-eight percent of rabies cases were in wild animals, and 12% were in domestic animals. Skunks, raccoons, and bats accounted for 82% of all rabid animals. Cats became the most commonly reported domestic species for the first time since reporting to CDC began in 1960. The most effective methods of reducing the number of people exposed to rabies are to educate the public to avoid unfamiliar, especially wild, animals and to vaccinate susceptible pets against rabies. Rabies vaccination programs should target cats as well as dogs. Two cases of imported canine rabies emphasized the need to educate travelers of the risk of canine rabies in developing countries. Caution should be used when pets are imported from these countries.

Animals↗

Epidemic giardiasis caused by a contaminated public water supply.

In the period November 1, 1985 to January 31, 1986, 703 cases of giardiasis were reported in Pittsfield, Massachusetts (population 50,265). The community obtained its water from two main reservoirs (A and B) and an auxiliary reservoir (C). Potable water was chlorinated but not filtered. The incidence of illness peaked approximately two weeks after the city began obtaining a major portion of its water from reservoir C, which had not been used for three years. The attack rate of giardiasis for residents of areas supplied by reservoir C was 14.3/1000, compared with 7.0/1000 in areas that received no water from reservoir C. A case-control study showed that persons with giardiasis were more likely to be older and to have drunk more municipal water than household controls. A community telephone survey indicated that over 3,800 people could have had diarrhea that might have been caused by Giardia, and 95 per cent of households were either using alternate sources of drinking water or boiling municipal water. Environmental studies identified Giardia cysts in the water of reservoir C. Cysts were also detected in the two other reservoirs supplying the city, but at lower concentrations. This investigation highlights the risk of giardiasis associated with unfiltered surface water systems.

Adult↗