The invention relates to a method of detecting the presence of a SARS coronavims nucleic acid, comprising: - contacting the biological sample with a sample buffer comprising a set of loop-mediated isothermal amplification primers specific for the SARS .. nucleic acid under conditions sufficient for a loop-mediated isothermal amplification, i.e. LAMP, of the SARS nucleic acid, wherein the set of LAMP primers comprises six primers of SEQ ID NOs: I- 7, thereby producing a SARS amplification sample; - carrying out the LAMP from the SARS amplification sample, thereby producing a SARS amplification product ; and - detecting the SARS amplification product, thereby detecting the presence of the SARS nucleic acid in the sample.