Kate OBrien (@kate_l_obrien) 's Twitter Profile
Kate OBrien

@kate_l_obrien

Director of the Department of Immunization, Vaccines and Biologicals at the World Health Organization - pediatrician - vaccine champion

ID: 460965158

calendar_today11-01-2012 09:27:30

495 Tweet

3,3K Followers

135 Following

World Health Organization (WHO) (@who) 's Twitter Profile Photo

Trust forms the impact of #vaccines! 🌟 “WHO is a scientific organization. We are committed to following evidence and using evidence for policy and programme decisions." Dr. Kate OBrien explains how vaccines are developed using gold-standard processes. #VaccinesWork!

Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

Amid 40°C heat, failing fridges & no fuel, one architect asked: how do you keep vaccines safe? John Lloyd’s cold chain innovations helped deliver billions of effective vaccines globally—quietly saving millions of lives. #VaccinesWork #HumanlyPossible 🔗shorturl.at/AZhEl

Amid 40°C heat, failing fridges & no fuel, one architect asked: how do you keep vaccines safe?
John Lloyd’s cold chain innovations helped deliver billions of effective vaccines globally—quietly saving millions of lives.
#VaccinesWork #HumanlyPossible 
🔗shorturl.at/AZhEl
Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

In this 2-part World Health Organization (WHO) Science in 5 episode, I explain how #vaccines are tested, approved & monitored—even after rollout. I also share what happens if safety concerns arise. 🔗 shorturl.at/0iU0Q #VaccinesWork #HumanlyPossible #VaccinesSaveLives

In this 2-part <a href="/WHO/">World Health Organization (WHO)</a> Science in 5 episode, I explain how #vaccines are tested, approved &amp; monitored—even after rollout. I also share what happens if safety concerns arise. 🔗 shorturl.at/0iU0Q #VaccinesWork #HumanlyPossible #VaccinesSaveLives
Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

Did you know that #pneumonia is the No. 1 infectious killer of children worldwide? Vaccines can help prevent it. #vaccineswork #HumanlyPossible

Did you know that #pneumonia is the No. 1 infectious killer of children worldwide?
Vaccines can help prevent it. #vaccineswork #HumanlyPossible
Sabin Vaccine Institute (@sabinvaccine) 's Twitter Profile Photo

On Tuesday, May 13, we will award Dr. Katherine O'Brien (Kate OBrien) of the World Health Organization (World Health Organization (WHO)) with the 2025 Sabin Gold Medal and present this year's Rising Star Award to Dr. Livancliff Mbianke (mbianke livancliff m) to honor their contributions to the global immunization

Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

Measles vaccines save more lives than any other vaccine. If you are at #WHA78 join me, country and global health leaders and partners from around the🌎 at this official #HealthAssembly side event to explore how to accelerate measles & rubella elimination-Friday, 23 May @1800 hrs

Measles vaccines save more lives than any other vaccine. If you are at #WHA78 join me, country and global health leaders and partners from around the🌎 at this official #HealthAssembly side event to explore how to accelerate measles &amp; rubella elimination-Friday, 23 May @1800 hrs
Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

Looking forward to a strategic global dialogue on how to move measles and rubella elimination forward to save more lives at #WHA78-delegates, pls join us. TQ #IFRC #gavi #gatesfoundation #UNfoundation #Unicef #MRP and country leaders for making this possible

Looking forward to a strategic global dialogue on how to move measles and rubella elimination forward to save more lives at #WHA78-delegates, pls join us. TQ #IFRC #gavi #gatesfoundation #UNfoundation #Unicef #MRP and country leaders for making this possible
CSIS Global Health (@csishealth) 's Twitter Profile Photo

Kate OBrien, Director of the Department of Immunization, Vaccines, and Biologicals at WHO, shares her perspective with Katherine Bliss on the state of global immunization programs halfway through Immunization Agenda 2030. Listen here: csis.org/podcasts/commo…

Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

TQ to #MeaslesandRubellaPartnership, Govts of #Oman #DRCongo #Somalia #Mali & partners #IFRC #GavI #UNFoundation #GatesFoundation #UNICEF #IA2030 & WHO colleagues for an enriching and motivating #WHA78 event to highlight the power of vaccines to prevent measles and rubella.

TQ to #MeaslesandRubellaPartnership, Govts of #Oman #DRCongo #Somalia #Mali &amp; partners #IFRC #GavI #UNFoundation #GatesFoundation #UNICEF #IA2030 &amp; WHO colleagues for an enriching and motivating #WHA78 event to highlight the power of vaccines to prevent measles and rubella.
Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

I’m deeply honored to have received the @SabinVaccine Gold Medal. This recognition is shared with the extraordinary colleagues, partners & communities I've worked with over the years—your commitment has made vaccine access a global reality. #VaccinesWork shorturl.at/q1yIT

I’m deeply honored to have received the @SabinVaccine Gold Medal. This recognition is shared with the extraordinary colleagues, partners &amp; communities I've worked with over the years—your commitment has made vaccine access a global reality. #VaccinesWork 
shorturl.at/q1yIT
Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

From my early days in Haiti to leading global immunization efforts, I’ve seen the power of vaccines to save lives. I’m grateful to all who’ve walked this journey with me-especially those on the frontlines of vaccine delivery. @SabinVaccine #VaccinesWork shorturl.at/7jEeQ

Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

Find my interview with Here & Now on the rising risks to vaccine confidence, global cooperation, and what’s at stake if we backslide on #immunization: 🔗wbur.org/hereandnow/202… #VaccinesWork #HumanlyPossible

Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

There's a rising threat to vaccine confidence driven by misinformation. WHO is a scientific organization. We stand behind the processes that guide #vaccine development, trial & safety. These systems work & they save lives. #VaccinesWork #HumanlyPossible 🔗shorturl.at/BY1nB

Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

The adoption of the WHO Pandemic Agreement is a milestone for global health equity. It underscores our shared commitment to ensure timely access to vaccines & health tools, so no one is left behind in future pandemics. #PandemicAccord #VaccinesWork 🔗shorturl.at/zZrZL

Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

The latest WHO Global Immunization News is out. In a time of rising #vaccine misinformation, we must stay rooted in science. Accurate information on vaccine safety and impact is essential. Read and share the latest updates: 🔗shorturl.at/IILni #VaccinesWork

The latest WHO Global Immunization News is out.
In a time of rising #vaccine misinformation, we must stay rooted in science. Accurate information on vaccine safety and impact is essential.
Read and share the latest updates: 🔗shorturl.at/IILni
#VaccinesWork
World Health Organization (WHO) Western Pacific (@whowpro) 's Twitter Profile Photo

#Measles can lead to severe, long-term complications and can even cause your immune system to forget how to resist infections. 🔸Brain damage 🔸Severe diarrhoea and dehydration 🔸Deafness 🔸Blindness 🔸Pneumonia Two doses of the measles vaccine are the only way to

#Measles can lead to severe, long-term complications and can even cause your immune system to forget how to resist infections.   

🔸Brain damage  
🔸Severe diarrhoea and dehydration  
🔸Deafness  
🔸Blindness  
🔸Pneumonia  

Two doses of the measles vaccine are the only way to
Kate OBrien (@kate_l_obrien) 's Twitter Profile Photo

#Measles is surging—even in countries that once eliminated it. Why? Because when coverage drops, outbreaks increases. #Vaccines work, but only if we keep using them. #VaccinesWork #HumanlyPossible

#Measles  is surging—even in countries that once eliminated it. Why? Because when coverage drops, outbreaks increases. #Vaccines work, but only if we keep using them. 
 #VaccinesWork #HumanlyPossible