Edward Jenner discovered vaccines for which of the following diseases?
A. Small pox
B. BCG
C. Cholera
D. Typhoid
The basis for vaccination began in 1796 when the English doctor Edward Jenner noticed that milkmaids who had gotten cowpox were protected from smallpox. Jenner also knew about variolation and guessed that exposure to cowpox could be used to protect against smallpox.
Biology MCQs
Biology MCQs by CSSMCQs
Here, you will find all Biology MCQs with their Answers. These MCQs of Bio would help you gain higher marks in entry tests of FPSC, PPSC, KPPSC, SPSC, NTS, PTS, OTS, CTS, MDCAT, ECAT, ETEA, NUMS and all other entry tests preparation. These MCQs will help you get better marks in every kind of job or university admission tests.
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