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The best way of preventing the dispersion of an infectious disease is decreasing of transmissibility of pathogen. To achieve such goal, it is important to have an epidemiological surveillance to retrieve data about its routes of transmission and dispersion. OBJECTIVE: In the current work it was probed the possibility of SARS-CoV-2 detection using filtration through 0.22 µm pores. METHODS: It was used a filtration system with vacuum pump for sampling and molecular analysis by RT-PCR technic for the virus detection causing COVID19. RESULTS: In this work, it was could demonstrate that SARS-CoV-2 can be detected in PM trapped on 0.22 µm filters 3 hours after air sampling and the only contaminated areas were that near zones of the patients. CONCLUSIONS: The results confirm the possibility of finding this virus in floating particulate matter (PM) in contaminated zones, with a simple and economic sampling method based on filtration technology through 0.22 µm pores and detection with molecular techniques (RT-PCR) and that the more risk zone was that near patients with COVID19.
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DETECTION OF SARS-CoV-2 IN AIR OF TWO HOSPITAL IN HERMOSILLO, SONORA, MÉXICO, UTILIZING A LOW-COST ENVIRONMENTAL MONITORING SYSTEM
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