posts: 28385

{
    "id": "wp-28385",
    "slug": "untitled-reusable-block-154",
    "content": {
        "toc": [],
        "body": [
            {
                "type": "text",
                "value": [
                    {
                        "text": "This chart shows the global vaccination coverage of one-year-olds with some of the most important vaccines recommended by the WHO. For many essential vaccines coverage is now much higher than 80%. However, the rates of vaccination are still not sufficient. ",
                        "spanType": "span-simple-text"
                    }
                ],
                "parseErrors": []
            },
            {
                "type": "text",
                "value": [
                    {
                        "text": "If you click the play button you see that the coverage for most vaccines has increased substantially over time.",
                        "spanType": "span-simple-text"
                    }
                ],
                "parseErrors": []
            },
            {
                "type": "text",
                "value": [
                    {
                        "text": "The vaccine against diphtheria, tetanus and pertussis, is often used as the key metric for global vaccination coverage because it is a good indicator for access to routine immunization services. In 2018, coverage of the third dose of DTP was 86%. This means that out of 135 million under-one-year-olds more than 19 million did not receive full immunization. The coverage of the first dose of DTP was 90% indicating that ",
                        "spanType": "span-simple-text"
                    },
                    {
                        "children": [
                            {
                                "text": "13.5 million children were not vaccinated",
                                "spanType": "span-simple-text"
                            }
                        ],
                        "spanType": "span-bold"
                    },
                    {
                        "text": " in 2018.     ",
                        "spanType": "span-simple-text"
                    }
                ],
                "parseErrors": []
            },
            {
                "type": "text",
                "value": [
                    {
                        "text": "In 2018, only 35% of children globally received the rotavirus vaccine, which protects children from ",
                        "spanType": "span-simple-text"
                    },
                    {
                        "url": "https://ourworldindata.org/diarrheal-diseases",
                        "children": [
                            {
                                "text": "diarrheal diseases",
                                "spanType": "span-simple-text"
                            }
                        ],
                        "spanType": "span-link"
                    },
                    {
                        "text": " \u2014 ",
                        "spanType": "span-simple-text"
                    },
                    {
                        "url": "https://ourworldindata.org/child-mortality#what-are-children-dying-from",
                        "children": [
                            {
                                "text": "one of the leading causes",
                                "spanType": "span-simple-text"
                            }
                        ],
                        "spanType": "span-link"
                    },
                    {
                        "text": " of child mortality. Similarly, pneumococcal vaccine that protects children from ",
                        "spanType": "span-simple-text"
                    },
                    {
                        "url": "https://ourworldindata.org/pneumonia",
                        "children": [
                            {
                                "text": "pneumonia",
                                "spanType": "span-simple-text"
                            }
                        ],
                        "spanType": "span-link"
                    },
                    {
                        "text": " \u2014 the leading cause of child mortality \u2014 only reached 47% of one-year-olds.{ref}This and other numbers in this entry are based on the estimates by the World Health Organisation. The coverage estimates are calculated by dividing the total number of vaccinations given by the number of children in the target population. Target population size is usually based on census population projections.",
                        "spanType": "span-simple-text"
                    }
                ],
                "parseErrors": []
            },
            {
                "type": "text",
                "value": [
                    {
                        "text": "This means that there may be children in the target population that for medical reasons should be exempt from vaccination. These medical reasons may include factors such as allergies to vaccine components or severe immunodeficiencies. ",
                        "spanType": "span-simple-text"
                    }
                ],
                "parseErrors": []
            },
            {
                "type": "text",
                "value": [
                    {
                        "text": "Notably, such cases are very rare and would have little effect on global coverage numbers. For example, ",
                        "spanType": "span-simple-text"
                    },
                    {
                        "url": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4783279/",
                        "children": [
                            {
                                "text": "a study",
                                "spanType": "span-simple-text"
                            }
                        ],
                        "spanType": "span-link"
                    },
                    {
                        "text": " from 2003 identified severe allergic reaction in only 0.000063% of all vaccinations, that's 0.63 cases per million vaccinations. In addition, vaccines are always being improved with fewer ingredients that may cause allergic reactions. ",
                        "spanType": "span-simple-text"
                    }
                ],
                "parseErrors": []
            },
            {
                "type": "text",
                "value": [
                    {
                        "text": "Vaccination of children with immunodeficiencies generally needs to be assessed by a specialist. Especially, for vaccine that are based on a live pathogens. For example, ",
                        "spanType": "span-simple-text"
                    },
                    {
                        "url": "https://www.who.int/immunization/policy/Immunization_routine_table1.pdf",
                        "children": [
                            {
                                "text": "WHO recommends",
                                "spanType": "span-simple-text"
                            }
                        ],
                        "spanType": "span-link"
                    },
                    {
                        "text": " vaccinating HIV-positive children with measles vaccine if child's HIV infection is asymptomatic or not severe. Similarly, children with severe immunodeficiency syndrome (SCID), a genetic disorder that causes defects in immune system, are ",
                        "spanType": "span-simple-text"
                    },
                    {
                        "url": "https://www.gosh.nhs.uk/conditions-and-treatments/conditions-we-treat/severe-combined-immunodeficiency-scid",
                        "children": [
                            {
                                "text": "safely vaccinated",
                                "spanType": "span-simple-text"
                            }
                        ],
                        "spanType": "span-link"
                    },
                    {
                        "text": " with many vaccines before SCID is even diagnosed, but it's recommended not to vaccinate them with live vaccines. ",
                        "spanType": "span-simple-text"
                    }
                ],
                "parseErrors": []
            },
            {
                "type": "text",
                "value": [
                    {
                        "text": "In fact, one of the reasons it is important to increase vaccination rates is that those children and adults who for medical reasons cannot be vaccinated would still be protected from diseases through ",
                        "spanType": "span-simple-text"
                    },
                    {
                        "url": "https://ourworldindata.org/vaccination#how-vaccines-work-herd-immunity",
                        "children": [
                            {
                                "text": "herd immunity",
                                "spanType": "span-simple-text"
                            }
                        ],
                        "spanType": "span-link"
                    },
                    {
                        "text": ".{/ref} ",
                        "spanType": "span-simple-text"
                    }
                ],
                "parseErrors": []
            },
            {
                "url": "https://ourworldindata.org/grapher/the-worlds-number-of-vaccinated-one-year-olds?time=1980..2015",
                "type": "prominent-link",
                "parseErrors": []
            },
            {
                "url": "https://ourworldindata.org/grapher/global-vaccination-coverage",
                "type": "chart",
                "parseErrors": []
            }
        ],
        "type": "article",
        "title": "Vaccines save lives, but still not every child who should get vaccinated is vaccinated",
        "authors": [
            null
        ],
        "dateline": "November 25, 2019",
        "sidebar-toc": false,
        "featured-image": ""
    },
    "createdAt": "2019-11-25T14:13:44.000Z",
    "published": false,
    "updatedAt": "2020-04-30T14:00:12.000Z",
    "revisionId": null,
    "publishedAt": "2019-11-25T14:13:40.000Z",
    "relatedCharts": [],
    "publicationContext": "listed"
}