Scientists have noted a positive trend in the demographics of the planet. Over the past 13 years, the mortality of children under five years of age declined by 3.6 million. Of those numbers say experts from Johns Hopkins University.
At the beginning of the 21st century the mortality of children under five years was 9.9 million. By 2013, the index fell to 6.3 cases of infant mortality.
In developing countries managed to win tetanus, struggles with HIV, pneumonia, rubella. Child mortality is largely dependent on the degree of previtali of the total population.
Increasing the number of people with vaccines can reduce the percentage incidence of most infectious diseases. In addition, during the decade of improved sanitation and hygiene indicators in countries with low living standards, including in Africa. There, child mortality is still at an extremely high level.