Microchips, infertility and changing your DNA – the development of a COVID-19 vaccine has caused several theories to swirl around the internet. How many of them are true? See just how much you know about COVID-19 vaccines with our fact-checked quiz. 1. A COVID-19 vaccine will have a microchip embedded in it. True False 2. A COVID-19 vaccine will kill 700,000 people. True False 3. Vaccines can change your DNA. True False 4. The fastest vaccine ever made took four years. True False 5. Vaccines can cause autism. True False 6. The flu shot prevents COVID-19. True False 7. A COVID-19 vaccine can cause infertility. True False 8. Everyone should get every vaccine. True False 9. At least two vaccine candidates are mRNA vaccines. True False 10. Until a COVID-19 vaccine is ready, there’s nothing we can do. True False