Coronavirus vaccine: is the 4th dose useful and for whom?

Couverture médiatique

• titre	Coronavirus vaccine: is the 4th dose useful and for whom?
  Media name / outlet	Archynewsy
  Pays/Territoire	États-Unis
  la date	16/04/22
  URL	https://www.archynewsy.com/coronavirus-vaccine-is-the-4th-dose-useful-and-for-whom/
  Personnes	Jean-Michel Dogne