If Phase 1 is successful, the vaccine moves to the second phase of study, involving a few hundred people from the vaccine's intended group. For example, the chickenpox vaccine was probably tested on children at this phase because they are the target audience. The vaccine is tested on several...
eradication began in 1803 when the Spanish crown attempted to vaccinate the population of the Philippines. In 1813 the U.S. Congress passed the vaccination act to insure safe vaccines for the U.S. public. By 1832, the U.S. government had set up a program...
Purpose: To determine middle school parents' willingness to have their children vaccinated with specific vaccines at school during school hours. Methods: Questionnaires (English and Spanish) were distributed in May, 2009 to parents of children attending low-income, urban, middle schools. Data ...
According to historians, a similar epidemic in Jamestown, an English colony in Virginia between 1607 and 1624, was responsible for eliminating the entire colony. Other large typhoid epidemics were reported in the army during the American Civil War and the Spanish-American War [49]. Mary Mallon ...
In the 1950s, polio epidemics left thousands of children with permanent physical disabilities. Today, kids are given a polio vaccine to keep them from catching the virus. Thatvaccine,like most others, works by stimulating the body's immune system to produce antibodies—substances that defend the...
The 1918 Spanish flu pandemic was caused by a particularly virulent strain of influenza virus. It infected 500 million people, caused around 50 million deaths, and its impact was so severe that global life expectancy fell dramatically. It claimed more li
Patients with cancer have a higher risk of severe coronavirus disease (COVID-19) and associated mortality than the general population. Owing to this increased risk, patients with cancer have been prioritized for COVID-19 vaccination globally, for both pr
Patients with cancer have a higher risk of severe coronavirus disease (COVID-19) and associated mortality than the general population. Owing to this increased risk, patients with cancer have been prioritized for COVID-19 vaccination globally, for both pr
Acute gastroenteritis hospitalizations among children aged < 5 years before and after introduction of rotavirus vaccines Rotavirus vaccines were licensed in Spain between late 2006 and early 2007. Rotavirus vaccination was recommended but not reimbursed by the Spanish Nationa... Federico,Martinón-Torres,...
vaccination against COVID-19 established priority groups from among the general population, as stated in the Spanish COVID-19 Vaccination Strategy, which is continuously reviewed and updated (European Centre for Disease Prevention and Control, 2020a; European Centre for Disease Prevention and Control,...