Vaccine work because they help create herd immunity.
Billboards spreading misinformation on the risks of vaccination have popped up around American cities. A bioethicist explains why decisions not to vaccinate children are indefensible.
Thanks to nonmedical exemptions, vaccination rates are falling in some states.
In 18 states, parents can choose to exempt their children from vaccines for nonmedical 'philosophical' or 'personal belief' reasons.
Cases of measles are on the rise as a cohort of unvaccinated children grows up.
Studies suggest that pregnant women might be influenced by medical myths on social media.
Pregnant women often get medical information from social media and websites, many of which contain misleading and false information about vaccination. Could OB-GYNs help educate them better?
Anti-vaxxers protesting in Melbourne, Australia.
Anti-vaxxer movement is often portrayed as a powerful force. They are anything but.
An infection prevention and control professional wipes her gloves with a bleach wipe during an ebola virus training in Ottawa.
(THE CANADIAN PRESS/Justin Tang)
Infectious diseases pose a continual threat to Canadians. Ensuring the population stays healthy requires increasing investment in our public health system.
In the past year, 3,300 cases of measles were reported in Europe. Most of them were entirely preventable.
The Bubonic plague slowed urbanisation, industrial development and economic growth in Europe for many years.
Despite being so small they can't be seen with the naked eye, pathogens that cause human disease have greatly affected the way humans live for centuries.
In Australia we still vaccinate against polio, but not tuberculosis. Why, and how do we decide?
Vaccinating against an infectious disease can stop once the threat of future transmission is deemed sufficiently low.
Sleeping Beauty’s castle at Disneyland, where a measles outbreak in 2015 led to children being sickened in several states.
Jae C. Hong/AP
You may not know anyone with an infectious disease covered by the immunizations on the 2017 list of recommended vaccines. Here's why that doesn't matter, and why children still need to be protected.
Running an effective mass immunisation campaign, vaccinating children in Nigeria against measles is a logistical nightmare.
We can't keep blaming the MMR-autism scare – there are other forces at play.
Ed Hutchinson/University of Glasgow
Understanding how the flu virus copies itself could open a way to killing it.
An Ethiopian boy receives a polio vaccination. Africa has done well with polio eradication but lags behind other vaccination efforts.
Every year hundreds of thousands of children die from vaccine-preventable diseases. Africa leaders could change this if they improved vaccination efforts.
Parents are sensitive to what they hear about vaccines.
Kevin T. Quinn/Flickr
Overall rates of vaccine objection have remained largely unchanged since 2001.
Despite Nigeria's success in eradicating polio, it is struggling to get a grip on mother and child vaccinations.
Frog chytrid may have been spread by humans. It is a fungus that has decimated amphibian species.
As much as animals may pass on viruses to humans, humans pass on viruses which are sometimes lethal to the animal world as well.
A woman receives an MMR injection.
In light of the newly ignited political debate about vaccines, here in one article are some of the highlights of our vaccines coverage.
A vial of measles, mumps and rubella vaccine and an information sheet are seen at Boston Children’s Hospital in Boston, Massachusetts, February 26 2015.
The anti-vaccination movement is not the cause of falling vaccination rates. It is a symptom of the public’s growing distrust in the government and the medical profession.
Children in particular experience a multitude of viral illnesses during their early years.
Viruses cause all kinds of infections from relatively mild cases of the flu to deadly outbreaks of Ebola. Clearly, not all viruses are equal and one of these differences is when you can infect others.