A medical staff shows a doses of an Imvanex vaccine used to protect against Monkeypox virus at a Monkeypox vaccination site in Paris on August 3, 2022. - Despite a shortage of people to administer shots, the vaccination campaign is gaining momentum in the Paris region, which has been the epicentre of France's outbreak. (Photo by JULIEN DE ROSA / AFP) (Photo by JULIEN DE ROSA/AFP via Getty Images)