History of Vaccines Blog


May 18, 2019  Rene F. Najera

A report in the Morbidity and Mortality Weekly Report presents evidence that the cases of measles in the United States in 2019 are historic. Not since 1994 has measles infected so many people in the country. Even more concerning is that measles was declared eliminated in 2000 in the United States. Read more...

Posted in: General, Measles

May 15, 2019  Rene F. Najera

Dr. Najera, the editor of History of Vaccines, has been interviewed by news outlets about the current measles epidemic (outbreak) in the United States. Read more...

Posted in: Interviews, Measles

May 3, 2019  Rene F. Najera

Buzzfeed News recently made an assessment of the 2020 presidential candidates’ stances on vaccination. They concluded that all of the declared candidates so far are in agreement that parents should vaccinate their children when vaccination is recommended. Some of their statements were nuanced, while others made blanket statements of approval of vaccines. Read more...

Posted in: General, Measles

April 29, 2019  Rene F. Najera

C-SPAN recently posted this video of a Public Health Service and Merck collaboration to inform the people about measles back in 1964. It's about 20 minutes long, and gives us a glimpse of what public health authorities were informing the public about when it came to measles. Read more...

Posted in: General, Measles

April 27, 2019  Rene F. Najera

A quick video from NBC's "Stay Tuned" on YouTube explaining what vaccines are and what the anti-vaccine movement is. Read more...

Posted in: General, Measles

April 21, 2019  Rene F. Najera

Some of the misinformation regarding vaccines includes an argument that vaccines have not been tested against a saline placebo in a double-blinded randomized clinical trial. This misinformation is aimed at confusing the wealth of evidence regarding the safety and effectiveness of immunizations. In this blog post, we will explain what a blinded randomized clinical trial is, when this study design has been used in the development of immunizations, and why it is not used as often anymore. Read more...

Posted in: Ethics, General, Measles, Vaccine Research

April 14, 2019  Rene F. Najera

Over 1,200 people are reported dead in Madagascar from a measles epidemic that started last September. Most of the dead are children, and parents are going through a lot to get them vaccinated and avoid the disease. Meanwhile, in the United States, anti-vaccine groups and individuals have convinced several state legislators to introduce bills to make it easier to skip childhood vaccinations. Read more...

Posted in: General, Measles

April 9, 2019  Rene F. Najera

After trying many different ways of trying to increase the rate of measles vaccination in children whose parents hesitate to vaccinate them, the City of New York has declared a public health emergency. The consequences for not vaccinating when required will include a stiff fine. Read more...

Posted in: General, Measles

April 1, 2019  Rene F. Najera

A recent order for unvaccinated children to stay out of public spaces in Rockland County, New York, has made the headlines. But it is hardly the first time such a quarantine has been imposed in the United States... And it will likely not be the last one. Read more...

Posted in: General, Measles

March 14, 2019  Rene F. Najera

Before the development of vaccines against deadly diseases like smallpox, typhoid fever and measles, public health authorities relied heavily on quarantines in order to stop epidemics from spreading. The concept was simple: keep sick people away from the healthy people. Unfortunately, there were plenty of times where quarantines were broken and the epidemics allowed to continue. Read more...

Posted in: General, Measles, Public Health