Pfizer's coronavirus vaccine candidate is more than 90% effective in preventing COVID-19.<br />Other vaccines like chickenpox, measles, and polio all hover in the 90% and higher effective range.<br />Pfizer and its German partner BioNTech made the announcement Monday, says Business Insider.<br />The partnership is the first to report positive results from the final stage of clinical trials.<br />The shot was found to prevent COVID-19 decently in the 94 study cases of the disease observed.<br />The vaccine will most likely be given out in two doses spaced three weeks apart.
