Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran.
Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.
Social Determinants of Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
Center for Communicable Diseases Control, Ministry of Health and Medical Education, Tehran, Iran.
World Health Organization has recommended all countries to introduction of Pneumococcal Conjugate Vaccine (PCV) in routine immunization schedule, especially those countries with higher rate of mortality in children. However, Islamic Republic of Iran and more than 50 other countries including Algeria, Antigua and Barbuda, Belarus, Belize, Bhutan, Bosnia and Herzegovina, Brunei Darussalam, Cabo Verde, Chad, China, Comoros, Cook Islands, Croatia, Cuba, Czech Republic, Democratic People's Republic of Korea, Dominica, Egypt, Equatorial Guinea, Estonia, Gabon, Grenada, Guinea, Haiti, India, Jamaica, Jordan, Malaysia, Maldives, Malta, Montenegro, Nauru, Poland, Romania, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Samoa, San Marino, Serbia, Seychelles, Slovenia, Somalia, South Sudan, Sri Lanka, Syrian Arab Republic, Tajikistan, Thailand, The former Yugoslav Republic of Macedonia, Timor-Leste, Tonga, Tunisia, Turkmenistan, Tuvalu, Ukraine, Vanuatu, and Viet Namhave not introduced PCV till April 2016.