Every Child By Two Raises awareness of the importance of getting children fully immunized by the time they are two years old by educating health care workers and the general public. Includes a list of 'barriers' to immunization and their solutions. http://www.ecbt.org

National Network for Immunization Information A comprehensive site that provides up-to-date,science-based immunization information to parents, healthcare professionals, media, policymakers and the public. Includes state by state requirements and newsbriefs. http://www.immunizationinfo.org

Immunization Gateway Offers a wide variety of resources, including international vaccine recommendations, adverse event reporting, training, and information on numerous specific vaccine-preventable diseases such as plague, cholera, rabies, and rotavirus. http://www.immunofacts.com/

Why Should I Immunize My Child? The American Academy of Pediatrics answers parents' questions about immunizations, including information about the Measles-Mumps-Rubella vaccine and alleged links to autism. http://www.aap.org/new/immpublic.htm

BabyCenter Vaccine Resources Offers answers to questions about vaccine safety and effectiveness, including why your baby needs to be vaccinated, and reviews the current recommended immunization schedule. http://www.babycenter.com/vaccine

Children's Vaccine Program This program from Bill and Melinda Gates works to ensure that all children receive the full benefits of new, lifesaving vaccines. Resources include general information about vaccines, advocacy and financing of immunization programs. http://www.childrensvaccine.org/homepage.htm

Allied Vaccine Group Dedicated to providing reliable information on vaccines and vaccination based on scientific research and unbiased vaccine and vaccination news. http://vaccine.org

Global Alliance for Vaccines and Immunization A partnership dedicated to ensuring that all children have equal access to vaccines to prevent illness and death from vaccine preventable illnesses. http://www.vaccinealliance.org

Immunizations for Children - Keep Kids Healthy Immunizations are an important way to protect your children from vaccine preventable illnesses and keep your kids healthy, with information on each vaccine (including Prevnar) and a program to create a custom vaccine schedule for your child. http://www.keepkidshealthy.com/welcome/immunizations.html

Plain Talk About Childhood Immunization Includes facts about vaccine preventable disease, vaccine safety, the immune system and how vaccines work, legal requirements, current vaccine recommendations and an article comparing the risks of each disease versus the vaccine that prevents the disease. http://www.metrokc.gov/health/immunization/childimmunity.htm

Travelers' Health Vaccination Requirements Official U.S. government vaccination recommendations for traveling with children. Provided by the CDC, this site includes recommendations for traveling to specific countries. http://www.cdc.gov/travel/vaccinat.htm

Vaccine Adverse Event Reporting System (VAERS) Post-marketing safety surveillance program from the FDA and CDC that collects information about adverse events (side effects) that occur after the administration of US licensed vaccines. Reports are welcome from all concerned individuals. http://www.fda.gov/cber/vaers/vaers.htm

Immunization Action Coalition Provides information to help promote childhood and adult immunizations, with information about vaccine safety, myths, vaccine information statements, questions, schedules, and state immunization laws. http://www.immunize.org/

Issues in Immunization A summary of current research on the safety and benefits of immunizations, including information about anti-immunization activists and common deceptions used on the web. http://www.geocities.com/issues_in_immunization

Anti-immunization scare: The inconvenient facts A review and debunking of an anti-vaccine proponent, with information on the effects of reducing immunization rates of pertussis and measles and the false link between DTP and SIDS. http://www.skeptics.com.au/journal/anti-immune.htm

Vaccine Education Center Information on immunizations for children, teens and adults, including general questions, research, and a vaccination schedule. Includes information about each vaccine, and answers to important questions, such as 'Are Vaccines Safe?' and 'Are Vaccines Still Necessary?' http://vaccine.chop.edu/

Childhood Immunizations Information about immunizations and the diseases they protect against, plus links to information and community resources regarding vaccines. http://www.immun.com

Vaccine Shortage Update News about the current shortages of Prevnar, DTaP and the Td vaccines and other childhood vaccines. http://www.keepkidshealthy.com/welcome/immunizations/vaccine_shortage_update.html

Immunizations Information on the risks and benefits of vaccines. http://www.drgreene.org/body.cfm?id=54&ref=17&action=list

Immunisation Advisory Centre in New Zealand Offers unbiased information to the public and health professionals on all aspects of childhood immunisation against infectious diseases. http://www.imac.auckland.ac.nz/