Methicillin resistance. mediated by the mecA gene in staphylococci and mammaliicocci. has caused tremendous setbacks in the use of antibiotics in human and veterinary medicine due to its high potential of presenting the multidrug resistance (MDR) phenotype. Three other mec analogs exist. https://poolsproductscanadas.shop/product-category/hayward-colorlogic-bubbler-parts/