Who Discovered the First Vaccine? Ifeadi C. 04:42 Feed: All Latest, Zero Tech Blog As the world scrambles to develop an inoculation against Covid-19, it’s worth understanding the early, extraordinary history of the technique. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsJimmy Kimmel's 'I ate your Halloween candy' prank on kids is back for 2018'This is a terrible part of our culture': Google employees walk out in AustraliaFlickr is cutting down storage to 1,000 photos for free usersWho knows Justin Timberlake the best? Jimmy Fallon has a little game to find out.Here's the first country in the world to ban sunscreens harmful to coral reefsHow to Control What Websites Can Do on Your Computer