Can the vaccine give people COVID-19?

Read Chapter 3: Section- on immunity and additional reading at this web link.1. Can the vaccine give people COVID-19?2. If a person has allergies, can they still take the vaccine?3. Can a pregnant or breastfeeding mother, still take the vaccine?4. Can a person still transmit the coronavirus after vaccination?https://www.ucsf.edu/news/2021/01/419691/covid-19-vaccine-fact-vs-fiction-expert-weighs-common-fears