Pill packages have active pills (with hormones) and placebo pills (no hormones). The number of placebo pills can vary depending on the type of pill used. Your menstrual period should occur during the placebo pills due to lack of hormones. You are still protected from pregnancy during the placebo pills.
Making the Case against the biting midge: evidence is building that the biting midge, Culicoides sonorensis, is a vector of vesicular stomatitis virus (VSV), which causes significant economic losses in cattle, horses, and swine.
VSV-EBOV is a live, attenuated recombinant vesicular stomatitis virus in which the gene for the native envelope glycoprotein is replaced with that from Ebola virus Zaire, Kikwit 1995 strain.Manufacturing of the vaccine for the Phase I trial was done by IDT Biologika.