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Continue to ChatThe country has updated its vaccination calendar, granting general practitioners permission to administer the pertussis vaccine to infants two weeks earlier than before, starting six weeks after birth on https://197lines.com/the-country-has-updated-its-vaccination-calendar-granting-general-practitioners-permission-to-administer-the-pertussis-vaccine-to-infants-two-weeks-earlier-than-before-starting-six-weeks-after-birth