coronavirus infections climb, news of an effective vaccine is making headlines around the world.Pfizer said Wednesday that new test results show its coronavirus vaccine is 95% effective, is safe and also protects older people most at risk of dying — the last data needed to seek emergency use of limited shot supplies as the catastrophic outbreak worsens across the globe.[TRENDING: Pfizer: COVID-19 shot 95% effective | Sheriff says deputy ‘forced to fire,’ killing 2 teens | Mom abandons baby at stranger’s house]Pfizer and BioNTech had initially estimated the vaccine was more than 90% effective after 94 infections had been counted in a study that included 44,000 people.