No vaccinations are required to enter France.
If you are a citizen of the European Union, you must bring a certificate allowing you to be reimbursed by the French Social Security for 70% of medical expenses under agreement.
Most drugstores are open even evenings and weekends
Pharmacie Les Champs (24/7)
84 avenue des Champs Elysées
75008 Paris
Pharmacie du Drugstore des Champs-Elysées (7/7 until 2 a.m.)
133 Avenue des Champs-Élysées
75008 Paris
Grande Pharmacie de la Nation (7/7 until 12 a.m.)
13, place de la Nation
75011 Paris
Pharmacie du Village (7/7 until from 9 a.m. to 8 p.m.)
26 Rue du Temple
75004 Paris
Grande Pharmacie Daumesnil (24/7)
6 place Felix Eboué
75011 Paris
Pharmacie Perrault/Europeenne (24/7)
6, place de Clichy
75009 Paris
British and American Pharmacy (7/7 from 8 a.m. to 8.30 p.m.)
1 rue Auber
75009 Paris