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Vaccines play a vital role in protecting our health, especially as preventable disease outbreaks rise.

Here’s five things to know about vaccines: 

  • Vaccines are powerful tools that protect us from serious infectious diseases that can cause severe illness or in some cases even death. Before vaccines, diseases we can now prevent—like measles, polio and whooping cough—caused significant illness and claimed thousands of lives each year. In the early 20th century, nearly one in five children died before they turned five, many from infectious disease that are now preventable. Today, vaccines remain one of the most effective tools to keep children and families healthy. It’s critical we maintain high vaccination rates because infectious diseases that were previously eliminated or controlled through vaccines can resurge when vaccination rates decline below a certain threshold.  
  • There are several types of vaccines – and while different by design, every vaccine is developed with the same goal: to protect you and your loved ones from serious diseases. Some prevent individuals from contracting or transmitting a specific disease, while others reduce the severity of illness if you do get sick. But all vaccines work by training your immune system to recognize and respond to harmful pathogens—helping your body build protection before exposure to the illness itself.
  • Vaccines are given to prevent rather than treat disease, which is why they undergo a rigorous development and review processes. Vaccines undergo clinical trials prior to approval and scientists, both from the federal government and at the biopharmaceutical company, continue to monitor vaccine safety after FDA review and approval. Most vaccines have been proven safe and effective through decades of clinical studies and real-world use. Their safety is monitored by government agencies, vaccine makers, universities and health systems around the world.
  • Vaccines play a key role in our nation’s security and position as a global leader in innovation. Powered by American innovation, vaccines ensure our nation is protected from disease outbreaks while safeguarding national security, economic stability and American leadership.
  • It is critical that vaccines are available, accessible and covered by insurance, so that every American can protect themselves and their families. Broad access to and coverage of vaccines ensures people can take informed, proactive steps to stay protected.

The bottom line: Vaccines play an important role in keeping American families healthy – and the need for a strong policy environment that supports access to vaccines and empowers innovation that protects our country’s health and global security. 

Mike Ybarra

Michael Ybarra, M.D., is an emergency physician and Chief Medical Officer at PhRMA. He also serves as Senior Vice President in Advocacy and Strategic Alliances. In these roles, he leads PhRMA’s stakeholder engagement and strategic partnerships on federal and international health policy issues. He is PhRMA’s liaison representative to the Advisory Committee on Immunization Practices and is the co-convener of PhRMA’s R&D Leadership Forum. Dr. Ybarra continues to see patients clinically in the emergency department at MedStar Georgetown University Hospital.

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Mike Ybarra

Why smart vaccine policy matters

August 3, 2026

New study: HPV vaccination helps prevent cervical cancer deaths

July 21, 2026

New research reinforces the importance of hepatitis B vaccination at birth

May 21, 2026

World Immunization Week: Putting preventable diseases in the past

April 24, 2026

ICYMI: Measles resurgence could cost U.S. nearly $8 billion over five years

April 15, 2026

Why shifting childhood vaccines to “shared clinical decision-making” puts kids at risk

February 23, 2026

Changes to America’s childhood vaccine schedule fail to protect our nation's kids

January 13, 2026

New study: Measles setbacks harm health and America’s economy

October 28, 2025

Why the hepatitis B vaccine matters

October 21, 2025

Vaccines and autism: Decades of scientific evidence find no link

September 22, 2025

Why the vaccine injury program matters

August 18, 2025

Answering common questions on mRNA technology

July 17, 2025

What to know about vaccine ingredients: Aluminum and thimerosal

June 24, 2025

World Immunization Week: Highlighting the importance of vaccines for public health

April 28, 2025

What you need to know: Measles and the MMR vaccine

March 10, 2025

Improved treatments continue to lead to declining cancer mortality rates in the U.S.

February 25, 2025

Preventing and fighting disease: A look at the biopharmaceutical progress made for patients in 2024

February 3, 2025

Recognizing the value of disease prevention with Dr. Len Friedland from GSK

December 12, 2024

Leveraging the power of vaccines to prevent antimicrobial resistance

October 31, 2024

From the emergency department to the CDC Advisory Committee: Key takeaways from ACIP’s recent meeting

October 30, 2024

The Patient Perspective: Vaccines

October 23, 2024

How to protect your children’s health this school year

August 22, 2024

New Report: Vaccines continue to drive improved health outcomes

July 16, 2024

Showcasing the promise of biopharma at ASCO 2024

June 28, 2024

World Vaccine Congress: Building on vaccine success

April 1, 2024

WHO Pandemic Agreement offers opportunities and risks for American innovators

November 20, 2023

New Report: 1,600 cancer treatments and vaccines in clinical development

November 9, 2023

What you should know about protecting your health this fall

October 16, 2023

A conversation with Dr. Mike Ybarra on the current state of COVID-19

June 27, 2023

What they are saying: Experts reinforce that TRIPS waiver expansion is harmful and unnecessary

April 13, 2023

PhRMA provides comments and testimony to USITC investigation on COVID-19 medicines and the TRIPS Agreement

March 30, 2023

Celebrating the success of the COVID-19 vaccines, and looking to the future

March 27, 2023

What we’ve learned from three years of fighting COVID-19

March 20, 2023

Word of the Month: What is TRIPS?

November 29, 2022

What you should know about RSV

November 15, 2022

Word of the Month: Long COVID

October 19, 2022

Protecting against influenza: A conversation with David Ross, Vice President, Commercial Operations, North America, CSL Seqirus

October 13, 2022

Partnerships are driving global COVID-19 treatment access

September 22, 2022

ICYMI: PhRMA’s Ubl pens op-ed on IP waiver for COVID-19 technologies

July 15, 2022

New Data: COVID-19 vaccine global production capacity projected to exceed 20 billion doses this year

February 24, 2022

What you need to know about newly authorized COVID-19 antiviral treatments

February 22, 2022

Guest Blog: COVID-19 vaccines are the key to keeping kids healthy

February 16, 2022

Global COVID-19 vaccination matters now and for the future

November 29, 2021

Understanding breakthrough COVID-19 infections

November 11, 2021

The important role of antivirals in the fight against COVID-19

October 6, 2021

A year and a half later: The biopharmaceutical industry remains committed to beating COVID-19

September 8, 2021

Recognizing National Immunization Awareness Month

August 31, 2021

Driving further innovation is critical to global vaccine equity

August 24, 2021

Supporting country readiness to boost global vaccine access

August 12, 2021

Ensuring global vaccine equity requires eliminating trade and regulatory barriers

August 5, 2021

Setting the record straight: Addressing common misconceptions about the COVID-19 vaccine

August 4, 2021

Increasing global access to vaccines by optimizing production

July 29, 2021

Guest post: Retired medics return to the field to take on vaccine delivery and disaster relief

July 23, 2021

Guest Post: A patient’s story of the long-term health impacts of COVID-19

July 21, 2021

Dose sharing as a part of the COVID-19 global vaccine equity strategy

July 20, 2021

Promoting global vaccine equity while protecting innovation

July 15, 2021

Data shows COVID-19 vaccines are creating a pathway to a strong U.S. recovery

July 2, 2021

Americans 12 years of age and older are eligible for COVID-19 vaccines

June 17, 2021

ICYMI: PhRMA president and CEO Stephen J. Ubl joins other industry leaders for a conversation on COVID-19 vaccines with Axios

May 21, 2021

Supporting India during the devastating coronavirus surge

May 20, 2021

PhRMA CAREs Grant request for proposals: Addressing inequities in access to COVID-19 testing, therapeutics and vaccines

May 6, 2021

Ron Busby, Sr., President and CEO of the U.S. Black Chambers, Inc. on improving vaccine confidence in community

May 5, 2021

Patient safety is at the heart of COVID-19 vaccine R&D

April 26, 2021

Data shows that Americans are relying on vaccines to get us through the pandemic

April 22, 2021

Diversifying clinical trials and fighting disease requires equity and trust

April 12, 2021

Building confidence in the COVID-19 vaccine through education

March 22, 2021

ICYMI: WSJ showcases breakthrough science of COVID-19 vaccines and implications for future medicines

March 8, 2021

Intellectual property is the key to vaccine development, manufacturing and technology sharing

March 5, 2021

Coming together to fight COVID-19: A conversation with Paul Perreault, CEO and Managing Director of CSL

February 24, 2021

Fighting variants of COVID-19

February 22, 2021

Growing trend: Increased vaccine confidence

January 28, 2021

Guest post: How COVID-19 underscores the importance of public confidence in vaccines

December 7, 2020

Understanding the emergency use authorization process for COVID-19 vaccines

November 12, 2020

Flu Season 2020: Why it’s time to talk to your doctor today about getting a flu shot

October 8, 2020

Coming together to fight COVID-19: A conversation with Albert Bourla, Chairman & CEO of Pfizer, Inc.

September 17, 2020

Coming together to fight COVID-19: A conversation with Paul Hudson, CEO of Sanofi

September 2, 2020

Supporting access to vaccines for Part D beneficiaries

August 12, 2020

New report shows more than 400 medicines and vaccines in development to tackle infectious diseases, including COVID-19

July 21, 2020

PhRMA’s Lori Reilly joined CSG to discuss the industry’s response to COVID-19 and what it means for states

July 13, 2020

How biopharmaceutical researchers are ensuring COVID-19 vaccines will be safe and effective­

June 29, 2020

Guest Post: From lab to jab: Vaccine development to prevent COVID-19

June 11, 2020

What scientific experts are saying about vaccine safety

June 4, 2020

New report shows nearly 260 vaccines in development, including dozens for COVID-19

April 23, 2020

ICYMI: Continued biopharmaceutical action on COVID-19

March 6, 2020

Why vaccines work in the fight against measles and other infectious diseases

February 13, 2019

Medicare Monday: Helping beneficiaries access vaccines

December 18, 2017

New report and event examine the new era of vaccines

November 9, 2017

Medicare Monday: Strengthening access to vaccines for seniors

August 14, 2017

Vaccines

Recognizing the importance of vaccination for American health and security

August 4, 2025

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