3 18 Is The Immunity That The Current COVID - 19 Vaccines Provide Waning Over Time -ACIS by WHO Collaborating Center for Vaccine Safety

1 15 Should Children Aged 5 - 11 Get A Booster Dose-ACIS by WHO Collaborating Center for Vaccine Safety

1 14 Omicron Is Generally Less Severe Than Previous Variants – Does It Still Make Sense-ACIS by WHO Collaborating Center for Vaccine Safety

1 13 Why Should Older Adults Get Vaccinated -ACIS by WHO Collaborating Center for Vaccine Safety

8 4 Is It Safe For Children To Be Vaccinated Against COVID - 19 -ACIS by WHO Collaborating Center for Vaccine Safety

6 10 Are There Any Chronic Hematological Diseases That Would Be A Contraindication For COVID-2022 by WHO Collaborating Center for Vaccine Safety

6 8 Can Breastfeeding Women Be Vaccinated -2022 by WHO Collaborating Center for Vaccine Safety

6 3 Should A Person Who Had An Allergic Reaction To The 1st Dose Of Vaccine Receive A 2 Dose -2022 by WHO Collaborating Center for Vaccine Safety

6 2 Can People With Allergies Be Vaccinated With MRNA Vaccines -2022 by WHO Collaborating Center for Vaccine Safety

5 22 Is There A Limit To The Number Of Vaccine Doses A Person Can Safely Receive -ACIS by WHO Collaborating Center for Vaccine Safety