As per CDC, pneumococcal conjugate vaccine schedule should be 4 doses for infants at the age of 2, 4, 6, and 12 through 15 months, and for some adults upto 3 doses in their lifetime. You can read about the Zoonotic Diseases – Definition, Types, and how they spread in the given link.
Further readings:
- Science & Technology Notes For UPSC – General Science Notes
- Science & Technology Questions in UPSC Mains GS-3
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