Prevention
There is no vaccine for SARS, although immunologist Anthony Fauci mentioned that the CDC developed one and placed it in the US national stockpile. That vaccine, however, is a prototype and not field-ready as of March 2020. Clinical isolation and quarantine remain the most effective means to prevent the spread of SARS. Other preventive measures include:

Hand-washing with soap and water, or use of alcohol-based hand sanitizer
Disinfection of surfaces of fomites to remove viruses
Avoiding contact with bodily fluids
Washing the personal items of someone with SARS in hot, soapy water (eating utensils, dishes, bedding, etc.) Avoiding travel to affected areas
Wearing masks and gloves
Keeping people with symptoms home from school
Simple hygiene measures
Isolating oneself as much as possible to minimize the chances of transmission of the virusMany public health interventions were made to try to control the spread of the disease, which is mainly spread through respiratory droplets in the air, either inhaled or deposited on surfaces and subsequently transferred to a bodys mucous membranes. These interventions included earlier detection of the disease; isolation of people who are infected; droplet and contact precautions; and the use of personal protective equipment (PPE), including masks and isolation gowns. A 2017 meta-analysis found that for medical professionals wearing N-95 masks could reduce the chances of getting sick up to 80% compared to no mask. A screening process was also put in place at airports to monitor air travel to and from affected countries.SARS-CoV is most infectious in severely ill patients, which usually occurs during the second week of illness.
While diarrhea is common in people with SARS, the fecal–oral route does not appear to be a common mode of transmission. The basic reproduction number of SARS-CoV, R0, ranges from 2 to 4 depending on different analyses. Control measures introduced in April 2003 reduced the R to 0.4. Diagnosis
SARS-CoV may be suspected in a patient who has:
Any of the symptoms, including a fever of 38 °C (100 °F) or higher, and
Either a history of:
Contact (sexual or casual) with someone with a diagnosis of SARS within the last 10 days or
Travel to any of the regions identified by the World Health Organization (WHO) as areas with recent local transmission of SARS. Clinical criteria of Sars-CoV diagnosisEarly illness: equal to or more than 2 of the following: chills, rigors, myalgia, diarrhea, sore throat (self-reported or observed)
Mild-to-moderate illness: temperature of >38 °C (100 °F) plus indications of lower respiratory tract infection (cough, dyspnea)
Severe illness: ≥1 of radiographic evidence, presence of ARDS, autopsy findings in late patients.For a case to be considered probable, a chest X-ray must be indicative for atypical pneumonia or acute respiratory distress syndrome. The WHO has added the category of "laboratory confirmed SARS" which means patients who would otherwise be considered "probable" and have tested positive for SARS based on one of the approved tests (ELISA, immunofluorescence or PCR) but whose chest X-ray findings do not show SARS-CoV infection (e.g. ground glass opacities, patchy consolidations unilateral).The appearance of SARS-CoV in chest X-rays is not always uniform but generally appears as an abnormality with patchy infiltrates.