Philadelphia Science Action

Philadelphia Science Action PSA grew out of the effort to plan the initial Phila March for Science on 4/22/17.

PSA's mission is to promote science and scientific thinking for the advancement of society, and to champion evidence-based thinking in political dialogue.

Editorial in Philly Inquirer: “…making America measly again”
08/13/2026

Editorial in Philly Inquirer: “…making America measly again”

Vibes-based vax order promises to kill more kids

08/11/2026

Vaccines have not been shown to increase the likelihood of an autism diagnosis. Get the facts here: https://ow.ly/cqh950ZyCSY

08/11/2026

The American people deserve childhood vaccine recommendations that are made by qualified experts, through an established, transparent process and based on the best available scientific evidence. Today’s executive order undermines all three of these fundamental standards.

At a time when measles outbreaks are already threatening communities across the country, making vaccination more complicated and burdensome risks further reducing vaccination rates and leaving more children vulnerable to a highly contagious and potentially deadly disease.

This action follows an alarming pattern of government efforts to reduce Americans’ access to vaccines and sow unfounded doubt about vaccine safety and effectiveness. Infectious diseases physicians will continue to serve as an objective, reliable and evidence-based source of information for our patients and communities while advocating for vaccine policies grounded in sound science.

08/10/2026

Vaccines are among the most thoroughly studied, effective tools we have to protect children from serious vaccine-preventable diseases. Decisions about how and when vaccines are used should be driven by rigorous scientific evidence, patient safety, and independent medical and public health expertise. Altering a proven vaccination schedule without credible evidence risks weakening public confidence and putting children’s health at risk.

If you have questions about vaccines, talk to your child’s physician. Putting our children’s health at risk is not an option

Read our full statement: http://spr.ly/6182B1KUUs

08/10/2026
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08/10/2026

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AAP’s vaccine recommendations for U.S. children are built on decades of research, thousands of studies, continuous safety monitoring, and the expertise of physicians and scientists whose sole focus is children's health. AAP’s schedule is based on when children’s immune systems respond best to immunizations, and when they are most vulnerable to preventable diseases.

We don't change recommendations because of political considerations, speculations, or misinformation. Right now, the evidence continues to show that these vaccines are safe, effective, and important for protecting children.

08/10/2026
“Nothing bad can happen from what we’re doing” 🙄. How about delayed immunity and failure to fully immunize for starters?...
08/10/2026

“Nothing bad can happen from what we’re doing” 🙄. How about delayed immunity and failure to fully immunize for starters? Making America Sick Again…

BREAKING: An executive order signed by President Trump would upend the childhood vaccine schedule by recommending splitting up the measles, mumps and rubella (MMR) shot across three separate visits. https://thehill.com/policy/healthcare/6021147-trump-executive-order-mmr-vaccine/

08/10/2026

The American College of Physicians (ACP) says an executive order issued today that would implement significant changes to vaccine production, access, and administration and erode school entry requirements, is problematic and deeply concerning. If implemented, the changes could increase costs to patients and families, including additional copays while also placing a greater burden on families needing to schedule multiple appointments for a multiple-dose MMR vaccine. Read the full statement: https://bit.ly/3RYPM7c

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