- Pregnancy, breastfeeding, or any woman of child-bearing potential that does not benefit from any proper contraception and whose Last Menstrual Period occurred 20 days ago or more (≥ 20 days). - Immunosuppression, whatever the type, including drug-induced cases. - COVID-19 requiring hospitalization or redirection towards the Emergency Room. - Anti-COVID-19 vaccination, whatever the vaccine, as soon as first dose has been administered. - Former COVID-19 infection diagnosed upon positive SARS-CoV-2 RT-PCR test results.

- Pregnancy, breastfeeding, or any woman of child-bearing potential that does not benefit from any proper contraception and whose Last Menstrual Period occurred 20 days ago or more (≥ 20 days). - Immunosuppression, whatever the type, including drug-induced cases. - COVID-19 requiring hospitalization or redirection towards the Emergency Room. - Anti-COVID-19 vaccination, whatever the vaccine, as soon as first dose has been administered. - Former COVID-19 infection diagnosed upon positive SARS-CoV-2 RT-PCR test results.