Global Vaccine Data Network
@gvdn.bsky.social
The GVDN is a multinational investigator-led research network with primary interests in the area of vaccine safety and effectiveness.
For more information, visit our website globalvaccinedatanetwork.org.
For more information, visit our website globalvaccinedatanetwork.org.
Polio eradication is not a distant dream — it’s a goal within reach
✅ Continue vaccination programmes
✅ Strengthen surveillance systems
✅ Prioritise health equity, especially in communities affected by conflict, displacement, or mistrust
#WorldPolioDay #VaccinesWork #HealthEquity #PolioEradication
✅ Continue vaccination programmes
✅ Strengthen surveillance systems
✅ Prioritise health equity, especially in communities affected by conflict, displacement, or mistrust
#WorldPolioDay #VaccinesWork #HealthEquity #PolioEradication
October 23, 2025 at 10:09 PM
Polio eradication is not a distant dream — it’s a goal within reach
✅ Continue vaccination programmes
✅ Strengthen surveillance systems
✅ Prioritise health equity, especially in communities affected by conflict, displacement, or mistrust
#WorldPolioDay #VaccinesWork #HealthEquity #PolioEradication
✅ Continue vaccination programmes
✅ Strengthen surveillance systems
✅ Prioritise health equity, especially in communities affected by conflict, displacement, or mistrust
#WorldPolioDay #VaccinesWork #HealthEquity #PolioEradication
Thank you to the team at Navrongo Health Research Centre for your hospitality as we progress the important work of the BRAVE (Background Rates of Adverse Events) Study.
www.linkedin.com/posts/nhrc-n...
www.linkedin.com/posts/nhrc-n...
𝐒𝐭𝐫𝐞𝐧𝐠𝐭𝐡𝐞𝐧𝐢𝐧𝐠 𝐕𝐚𝐜𝐜𝐢𝐧𝐞 𝐒𝐚𝐟𝐞𝐭𝐲 𝐒𝐮𝐫𝐯𝐞𝐢𝐥𝐥𝐚𝐧𝐜𝐞 𝐢𝐧 𝐆𝐡𝐚𝐧𝐚: 𝐍𝐇𝐑𝐂 𝐇𝐨𝐬𝐭𝐬 𝐚 𝐝𝐞𝐥𝐞𝐠𝐚𝐭𝐢𝐨𝐧 𝐟𝐫𝐨𝐦 𝐭𝐡𝐞 𝐆𝐥𝐨𝐛𝐚𝐥 𝐂𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐧𝐠… | Navrongo Health Research Centre (NHRC)
𝐒𝐭𝐫𝐞𝐧𝐠𝐭𝐡𝐞𝐧𝐢𝐧𝐠 𝐕𝐚𝐜𝐜𝐢𝐧𝐞 𝐒𝐚𝐟𝐞𝐭𝐲 𝐒𝐮𝐫𝐯𝐞𝐢𝐥𝐥𝐚𝐧𝐜𝐞 𝐢𝐧 𝐆𝐡𝐚𝐧𝐚: 𝐍𝐇𝐑𝐂 𝐇𝐨𝐬𝐭𝐬 𝐚 𝐝𝐞𝐥𝐞𝐠𝐚𝐭𝐢𝐨𝐧 𝐟𝐫𝐨𝐦 𝐭𝐡𝐞 𝐆𝐥𝐨𝐛𝐚𝐥 𝐂𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐧𝐠 𝐂𝐞𝐧𝐭𝐫𝐞 (𝐆𝐂𝐂) 𝐚𝐧𝐝 𝐭𝐡𝐞 𝐀𝐟𝐫𝐢𝐜𝐚𝐧 𝐂𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐢𝐧𝐠 𝐂𝐞𝐧𝐭𝐫𝐞 (𝐀𝐂𝐂) 𝐨𝐟 𝐭𝐡𝐞 Global Vaccine Data Network – GVD...
www.linkedin.com
August 8, 2025 at 12:48 AM
Thank you to the team at Navrongo Health Research Centre for your hospitality as we progress the important work of the BRAVE (Background Rates of Adverse Events) Study.
www.linkedin.com/posts/nhrc-n...
www.linkedin.com/posts/nhrc-n...
Danish cohort study just out:
✅ Aluminium exposure from vaccines = no increased risk for autoimmune, allergic, or neurodevelopmental disorders
✅ Kids with more aluminium exposure had slightly lower rates of autism & ADHD
✅ 1.2 million children
✅ 1997–2020
www.acpjournals.org/doi/10.7326/...
✅ Aluminium exposure from vaccines = no increased risk for autoimmune, allergic, or neurodevelopmental disorders
✅ Kids with more aluminium exposure had slightly lower rates of autism & ADHD
✅ 1.2 million children
✅ 1997–2020
www.acpjournals.org/doi/10.7326/...
ACP Journals
www.acpjournals.org
July 15, 2025 at 12:05 AM
Danish cohort study just out:
✅ Aluminium exposure from vaccines = no increased risk for autoimmune, allergic, or neurodevelopmental disorders
✅ Kids with more aluminium exposure had slightly lower rates of autism & ADHD
✅ 1.2 million children
✅ 1997–2020
www.acpjournals.org/doi/10.7326/...
✅ Aluminium exposure from vaccines = no increased risk for autoimmune, allergic, or neurodevelopmental disorders
✅ Kids with more aluminium exposure had slightly lower rates of autism & ADHD
✅ 1.2 million children
✅ 1997–2020
www.acpjournals.org/doi/10.7326/...
HHS purposely misrepresents GVDN Global observed vs. expected COVID vaccine safety study and other legitimate studies.
Read the full fact checking of that HHS report here www.factcheck.org/2025/06/hhs-...
Read the full fact checking of that HHS report here www.factcheck.org/2025/06/hhs-...
HHS 'FAQ' Distorts Data on COVID-19 Vaccination During Childhood and Pregnancy - FactCheck.org
A document the Department of Health and Human Services distributed to members of Congress to justify recent changes to COVID-19 vaccine recommendations misrepresented scientific research to make unfou...
www.factcheck.org
June 22, 2025 at 12:43 AM
HHS purposely misrepresents GVDN Global observed vs. expected COVID vaccine safety study and other legitimate studies.
Read the full fact checking of that HHS report here www.factcheck.org/2025/06/hhs-...
Read the full fact checking of that HHS report here www.factcheck.org/2025/06/hhs-...
Study of 230M+ people across 20 sites confirms:
⚡ COVID-19 disease = ↑ risk of GBS
⚡ Adenoviral vaccines = ↑ risk of GBS
⚡ mRNA vaccines = ✅ safe re: GBS
Real-world data matters.
📖 Study: doi.org/10.1016/j.vaccine.2025.127291
⚡ COVID-19 disease = ↑ risk of GBS
⚡ Adenoviral vaccines = ↑ risk of GBS
⚡ mRNA vaccines = ✅ safe re: GBS
Real-world data matters.
📖 Study: doi.org/10.1016/j.vaccine.2025.127291
Redirecting
doi.org
May 28, 2025 at 9:19 PM
Study of 230M+ people across 20 sites confirms:
⚡ COVID-19 disease = ↑ risk of GBS
⚡ Adenoviral vaccines = ↑ risk of GBS
⚡ mRNA vaccines = ✅ safe re: GBS
Real-world data matters.
📖 Study: doi.org/10.1016/j.vaccine.2025.127291
⚡ COVID-19 disease = ↑ risk of GBS
⚡ Adenoviral vaccines = ↑ risk of GBS
⚡ mRNA vaccines = ✅ safe re: GBS
Real-world data matters.
📖 Study: doi.org/10.1016/j.vaccine.2025.127291
Immunisation for all is humanly possible
Vaccines are one of humanity’s greatest achievements. Over the last 50 years, essential vaccines have saved at least 154 million lives. That’s 6 lives a minute, every day, for five decades.
www.who.int/campaigns/wo...
Vaccines are one of humanity’s greatest achievements. Over the last 50 years, essential vaccines have saved at least 154 million lives. That’s 6 lives a minute, every day, for five decades.
www.who.int/campaigns/wo...
World Immunization Week 2025
World Immunization Week, celebrated in the last week of April, aims to promote the life-saving power of immunization to protect people of all ages against vaccine-preventable diseases. Vaccines are on...
www.who.int
April 24, 2025 at 12:54 AM
Immunisation for all is humanly possible
Vaccines are one of humanity’s greatest achievements. Over the last 50 years, essential vaccines have saved at least 154 million lives. That’s 6 lives a minute, every day, for five decades.
www.who.int/campaigns/wo...
Vaccines are one of humanity’s greatest achievements. Over the last 50 years, essential vaccines have saved at least 154 million lives. That’s 6 lives a minute, every day, for five decades.
www.who.int/campaigns/wo...
Not all opinions nor social media posts are equal.
Check out this resource to help assess whether what we are reading and who posted it are trustworthy sources of information.
publichealthcollaborative.org/communicatio...
Check out this resource to help assess whether what we are reading and who posted it are trustworthy sources of information.
publichealthcollaborative.org/communicatio...
Evaluating Credibility in Social Media Posts - Public Health Communications Collaborative
In the United States, the average person spends more than two hours a day on social media, and more than half of U.S. adults occasionally use social media to
publichealthcollaborative.org
April 11, 2025 at 12:36 AM
Not all opinions nor social media posts are equal.
Check out this resource to help assess whether what we are reading and who posted it are trustworthy sources of information.
publichealthcollaborative.org/communicatio...
Check out this resource to help assess whether what we are reading and who posted it are trustworthy sources of information.
publichealthcollaborative.org/communicatio...
The International Society for Vaccines (ISV) is organising the 2025 ISV Congress taking place in South Africa from October 28–30, 2025. They are excited to offer awards for Early Career Researchers and PhD students from both LMIC (Low- and Middle-Income Countries) and non-LMIC countries.
March 12, 2025 at 4:19 AM
The International Society for Vaccines (ISV) is organising the 2025 ISV Congress taking place in South Africa from October 28–30, 2025. They are excited to offer awards for Early Career Researchers and PhD students from both LMIC (Low- and Middle-Income Countries) and non-LMIC countries.
Commentary on RFK Jr's appointment:
newsroom.co.nz/2025/02/04/w...
newsroom.co.nz/2025/02/04/w...
Welcome to the dark ages, where the stakes have never been higher
From the University of Auckland - Opinion: The appointment of conspiracy theorist RFK Jr as US Secretary of Health and Human Services is a catastrophe for public health.
newsroom.co.nz
February 14, 2025 at 5:12 AM
Commentary on RFK Jr's appointment:
newsroom.co.nz/2025/02/04/w...
newsroom.co.nz/2025/02/04/w...
Read the February 2025 issue of Safety by Numbers here: www.globalvaccinedatanetwork.org/news/safety_...
Not a subscriber? Sign up to receive the newsletter directly to your inbox redcap.auckland.ac.nz/surveys/?s=N...
Not a subscriber? Sign up to receive the newsletter directly to your inbox redcap.auckland.ac.nz/surveys/?s=N...
Safety by Numbers, Issue 9, February 2025 | Global Vaccine Data Network
www.globalvaccinedatanetwork.org
February 14, 2025 at 5:10 AM
Read the February 2025 issue of Safety by Numbers here: www.globalvaccinedatanetwork.org/news/safety_...
Not a subscriber? Sign up to receive the newsletter directly to your inbox redcap.auckland.ac.nz/surveys/?s=N...
Not a subscriber? Sign up to receive the newsletter directly to your inbox redcap.auckland.ac.nz/surveys/?s=N...
An excellent and very sobering summary of the changing landscape of confidence in vaccines.
www.bbc.com/news/article...
www.bbc.com/news/article...
Rise of vaccine distrust - why more of us are questioning jabs
Confidence in all types of vaccination has taken a hit. The question is why, and what can be done about it?
www.bbc.com
January 20, 2025 at 8:42 PM
An excellent and very sobering summary of the changing landscape of confidence in vaccines.
www.bbc.com/news/article...
www.bbc.com/news/article...
GVDN is looking forward to partnering with institutions in five African countries and CEPI for this important work.
cepi.net/establishing...
cepi.net/establishing...
Establishing vaccine safety benchmarking in Africa for African vaccines | CEPI
Consortium is set to further establish a vaccine safety evidence-generation network in Africa, seeking to understand prevalence of anticipated
cepi.net
December 19, 2024 at 2:17 AM
GVDN is looking forward to partnering with institutions in five African countries and CEPI for this important work.
cepi.net/establishing...
cepi.net/establishing...
Reposted by Global Vaccine Data Network
My restrained rant about disinformation and gentle call to action. theconversation.com/deliberate-d...
Deliberate disinformation campaigns are a public health risk – but NZ has no effective strategy to deal with it
Studies have repeatedly shown false claims spread on social media and influence public perceptions, to the detriment of public health. But strategies to combat disinformation remain elusive.
theconversation.com
December 11, 2024 at 11:49 PM
My restrained rant about disinformation and gentle call to action. theconversation.com/deliberate-d...
Reposted by Global Vaccine Data Network
The Real Truther linked real footage of Robert F Kennedy denying he made antivaccination statements or recommendations with footage of when he made them. TRT also debunks RFK Jr's disinformation with credible citations.
It's a watch worth sullying oneself with a visit to X.
x.com/thereal_trut...
It's a watch worth sullying oneself with a visit to X.
x.com/thereal_trut...
x.com
x.com
December 6, 2024 at 8:33 PM
The Real Truther linked real footage of Robert F Kennedy denying he made antivaccination statements or recommendations with footage of when he made them. TRT also debunks RFK Jr's disinformation with credible citations.
It's a watch worth sullying oneself with a visit to X.
x.com/thereal_trut...
It's a watch worth sullying oneself with a visit to X.
x.com/thereal_trut...
The Real Truther linked real footage of Robert F Kennedy denying he made antivaccination statements or recommendations with footage of when he made them. TRT also debunks RFK Jr's disinformation with credible citations.
It's a watch worth sullying oneself with a visit to X.
x.com/thereal_trut...
It's a watch worth sullying oneself with a visit to X.
x.com/thereal_trut...
x.com
x.com
December 6, 2024 at 8:33 PM
The Real Truther linked real footage of Robert F Kennedy denying he made antivaccination statements or recommendations with footage of when he made them. TRT also debunks RFK Jr's disinformation with credible citations.
It's a watch worth sullying oneself with a visit to X.
x.com/thereal_trut...
It's a watch worth sullying oneself with a visit to X.
x.com/thereal_trut...
Refute misinformation - debunk fake claims about vaccines.
stopantivaxpropaganda.substack.com/p/anti-vacci...
stopantivaxpropaganda.substack.com/p/anti-vacci...
Anti-vaccine Propaganda about Skyrocketing Chronic Diseases
Are we sicker than ever before?
stopantivaxpropaganda.substack.com
December 6, 2024 at 8:14 PM
Refute misinformation - debunk fake claims about vaccines.
stopantivaxpropaganda.substack.com/p/anti-vacci...
stopantivaxpropaganda.substack.com/p/anti-vacci...
Reposted by Global Vaccine Data Network
Sobering account of the measles epidemic and a timely reminder of the bad actors. Investigative Journalism at its best. 👍 www.theguardian.com/world/2024/n...
‘We learned the hard way’: Samoa remembers a deadly measles outbreak and a visit from RFK Jr
A few months before the outbreak in 2019, Kennedy travelled to Samoa and met with anti-vaccine figures, contributing to what health experts claim was a ‘significant disinformation campaign’
www.theguardian.com
November 26, 2024 at 3:01 AM
Sobering account of the measles epidemic and a timely reminder of the bad actors. Investigative Journalism at its best. 👍 www.theguardian.com/world/2024/n...
A sobering read, is this forewarning of the future for vulnerable populations around the world?
www.theguardian.com/world/2024/n...
www.theguardian.com/world/2024/n...
‘We learned the hard way’: Samoa remembers a deadly measles outbreak and a visit from RFK Jr
A few months before the outbreak in 2019, Kennedy travelled to Samoa and met with anti-vaccine figures, contributing to what health experts claim was a ‘significant disinformation campaign’
www.theguardian.com
November 26, 2024 at 3:09 AM
A sobering read, is this forewarning of the future for vulnerable populations around the world?
www.theguardian.com/world/2024/n...
www.theguardian.com/world/2024/n...
Results from this RCT assessing simultaneous vs sequential administration of mRNA COVID-19 and quadrivalent inactivated influenza vaccines support the option of simultaneous administration of these vaccines. Reactogenicity was comparable in both groups.
jamanetwork.com/journals/jam...
jamanetwork.com/journals/jam...
Simultaneous vs Sequential mRNA COVID-19 and Inactivated Influenza Vaccines
This randomized clinical trial compares reactogenicity, safety, and short-term health-related quality-of-life outcomes after simultaneous vs sequential receipt of messenger RNA (mRNA) COVID-19 and inf...
jamanetwork.com
November 24, 2024 at 8:07 PM
Results from this RCT assessing simultaneous vs sequential administration of mRNA COVID-19 and quadrivalent inactivated influenza vaccines support the option of simultaneous administration of these vaccines. Reactogenicity was comparable in both groups.
jamanetwork.com/journals/jam...
jamanetwork.com/journals/jam...
20 years ago Robert F Kennedy Jr sandbagged Paul Offit. Read Offit's blog about that encounter on substack and the litany of RFK Jr's misrepresentations and fabrications since. pauloffit.substack.com/p/my-convers...
My Conversation with Robert F. Kennedy Jr.
Twenty years ago, I had a one-hour conversation with RFK Jr. In his current campaign for president, he has referred to that conversation during public appearances. It’s time to set the record straight
pauloffit.substack.com
November 19, 2024 at 12:16 AM
20 years ago Robert F Kennedy Jr sandbagged Paul Offit. Read Offit's blog about that encounter on substack and the litany of RFK Jr's misrepresentations and fabrications since. pauloffit.substack.com/p/my-convers...
VAERS misuse: The zombie practice that keeps coming back
Today’s episode: The one about the strokes after COVID-19 vaccine.
Read our blog debunking a study misusing Vaccine Adverse Event Reporting System (VAERS) data that arose from the crypt.
www.globalvaccinedatanetwork.org/news/VAERS_m...
Today’s episode: The one about the strokes after COVID-19 vaccine.
Read our blog debunking a study misusing Vaccine Adverse Event Reporting System (VAERS) data that arose from the crypt.
www.globalvaccinedatanetwork.org/news/VAERS_m...
November 15, 2024 at 7:36 AM
VAERS misuse: The zombie practice that keeps coming back
Today’s episode: The one about the strokes after COVID-19 vaccine.
Read our blog debunking a study misusing Vaccine Adverse Event Reporting System (VAERS) data that arose from the crypt.
www.globalvaccinedatanetwork.org/news/VAERS_m...
Today’s episode: The one about the strokes after COVID-19 vaccine.
Read our blog debunking a study misusing Vaccine Adverse Event Reporting System (VAERS) data that arose from the crypt.
www.globalvaccinedatanetwork.org/news/VAERS_m...
Need the facts to address the epidemic of fast-growing, aggressive conspiracists, oops i mean cancers that are a recent internet invented and diagnosed condition?
Read our blog ‘Turbo Cancer’ and mRNA: The myth that defies biology and physics
www.globalvaccinedatanetwork.org/news/turbo_c...
November 14, 2024 at 6:36 AM
Need the facts to address the epidemic of fast-growing, aggressive conspiracists, oops i mean cancers that are a recent internet invented and diagnosed condition?
Read our blog ‘Turbo Cancer’ and mRNA: The myth that defies biology and physics
www.globalvaccinedatanetwork.org/news/turbo_c...
Read our latest Safety by Numbers newsletter to learn about "Detecting and addressing false information" and read updates from our newsletter collaborating partners.
www.globalvaccinedatanetwork.org/news/safety_...
www.globalvaccinedatanetwork.org/news/safety_...
Safety by Numbers, Issue 8, November 2024 | Global Vaccine Data Network
www.globalvaccinedatanetwork.org
November 13, 2024 at 7:51 AM
Read our latest Safety by Numbers newsletter to learn about "Detecting and addressing false information" and read updates from our newsletter collaborating partners.
www.globalvaccinedatanetwork.org/news/safety_...
www.globalvaccinedatanetwork.org/news/safety_...