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mGuide SARS: Follow the course of the SARS outbreak
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mGuide SARS: Follow the course of the SARS outbreak

AP Photo | Ric Feld

MMWR SARS Summary

4/25/03 MMWR Weekly | Update: SARS---U.S., 2003

Updates information on reported SARS cases worldwide and among U.S. residents, and summarizes information on a Pennsylvania resident with SARS linked to travel to Toronto. As of April 23, 3003, a total of 25 countries reported 4,288 SARS cases and 251 deaths (case-fatality proportion 5.8%). United States reports 245 SARS cases from 37 states39 of which are consistent with the interim U.S surveillance case definition for probable SARS. CDC issues interim travel guidance for Toronto, Ontario, Canada. CDC also announces plan to update its interim surveillance case definition to include laboratory criteria.

4/18/03 MMWR Weekly | Update: SARS---U.S., 2003

Updates information on reported SARS cases among U.S. residents as additional cases are reported to the World Health Organization (3,293 from 22 countries as of April 16, 2003). In the United States, local transmission limited to health-care workers (HCWs) and close contacts of suspected SARS patients who were travelers outside country. United States reports 208 suspected cases reported from 34 states. Provides guidance for conducting surveillance of HCWs following exposure to SARS patients and for preventing secondary transmission of SARS to close contacts. CDC continues to develop and refine laboratory testing.

4/11/03 MMWR Weekly | SARS and Coronavirus Testing---U.S., 2003

Summarizes the clinical histories of five U. S. residents with both suspected SARS and laboratory evidence of infection with a novel coronavirus. As of April 9, 2003, a total of 16 countries reported 2,722 cases of SARS and 106 deaths to the World Health Organization; United States reports 166 cases from 30 states. CDC recommends persons postpone elective travel to mainland China, Hong Kong, Hanoi, and Singapore. Interim infection-control guidance is revised. Evidence accruing that a novel coronavirus is the causative agent of SARS. On April 4, 2003, SARS is added to the list of quarantinable diseases in the United States.

4/4/03 MMWR Weekly | Update: Outbreak of SARS---Worldwide, 2003

As of April 2, 2003, the World Health Organization received reports of 2,223 suspected cases from 16 countries. CDC implements an interim suspected SARS case definition; 100 cases were reported from 28 states in the United States. The disease has been relatively less severe among patients in the United States. CDC advises persons to postpone elective travel to Hong Kong and Guangdong Province China; travel notices provided to passengers whose travel originated in affected areas. Laboratory investigations detect a new coronavirus in SARS patients, as well as human pneumovirus. Transmission in health-care settings reported and CDC develops interim infection-control guidelines.

3/28/03 MMWR Weekly | Update: Outbreak of SARS---Worldwide, 2003

Epidemiologic investigations conducted by CDC in collaboration with other public health authorities (e.g., Hong Kong, Vietnam, Taiwan, Thailand, and United States) links apparent transmission from an ill resident to other residents of a Hong Kong hotel with subsequent transmission in other countries. The World Health Organization indicates 1323 cases and 49 deaths reported from 14 locations. A novel coronavirus and metapneumovirus are identified as possible agents of SARS.

3/21/03 MMWR Dispatch | Preliminary Clinical Description of SARS

By March 21, 2003, the World Health Organization had identified the majority of patients as adults aged 25–70 years. SARS begins with mild respiratory illness, with incubation typically 2–7 days but as long as 10 days. Lower respiratory phase begins after days 3–7. Illness is variable, ranging from mild to death. Although efficacious treatment regimens are unknown, physicians have tried antibiotics, antiviral therapy, and steroids.

3/21/03 MMWR Weekly | Outbreak of SARS---Worldwide 2003

CDC’s initial report on the outbreak prompted by a Chinese report of 305 cases of SARS and five deaths had been reported during 11/16/02-- 2/9/03. Excluding China, a total of 11 countries had reported 264 cases. CDC publishes a preliminary case definition and infection-control guidelines for the United States.

AP Photo | Martin Meissner

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This page last reviewed April 18, 2003

Centers for Disease Control and Prevention
Morbidity and Mortality Weekly Report