Data from the Centers for Disease Control and Prevention (CDC) shows that unvaccinated teenagers are nine times likelier to be hospitalised with Omicron.
Jonathan Jackson, BlackBerry, looks at how vaccine passports and digital vaccine certificates could work - while facing off with cyber-criminals across the world.
Médecins Sans Frontières (MSF) found that over 100 manufacturers in Asia, Africa and Latin America are capable of making mRNA COVID vaccines - but pharmaceutical companies won't waive intellectual property rights.
Research shows that T cells, created by the common cold, can give some protection against COVID - which means that universal vaccines can mimic this technology.
Scientists analysed 23,754 menstrual cycles to find that menstruation can be temporarily, harmlessly changed - by taking two mRNA vaccines during the same cycle.
