Preventive Vaccination Quotes

2 Preventive Vaccination quotes by 1 unique authors

• I was less successful in my attempts to effect preventive vaccination against typhus by using the virus and in trying to produce large quantities of… — Jules Henry

Who Wrote These Preventive Vaccination Quotes

1 author contributed a total of 2 Preventive Vaccination Quotes as follows:

• 1 Preventive Vaccination Quote by Jules Henry