Emergex Vaccines Holding Limited’s COVID-19 vaccine candidate has been successfully coated onto Zosano Pharma Corporation’s proprietary microneedle patch system, which consists of an array of approximately two thousand drug-coated titanium microneedles mounted on an adhesive patch that is administered to the skin using a reusable applicator.   Emergex and Zosano have demonstrated that Emergex’s COVID-19 vaccine is stable on the patches over a wide temperature range for up to six months at 40oC...