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Influenza vaccination (2022-2023) reduced hospitalizations by only 35% - Jan 2024

2022-2023 Vaccine Provided Little Protection Against Influenza

McCullogh substack
References J Infect Dis 2023 Dec 2:jiad542. doi: 10.1093/infdis/jiad542 FREE PDF
Influenza vaccine effectiveness against influenza-A-associated emergency department, urgent care, and hospitalization encounters among U.S. adults, 2022-2023


51+ VitaminDWiki pages have INFLUENZA in the title (D reduces Influenza)

This list is automatically updated

Items found: 54
Title Modified
COVID death rate is now similar to death rate from Influenza: CDC - Oct 2024 29 Oct, 2024
Influenza risk cut in half by the only trial giving enough vitamin D for body weight – meta-analysis Jan 2022 17 Jun, 2024
Getting more than 1,000 IU of Vitamin D cut in half childhood risk of influenza, coughs and fevers – Meta-analysis May 2024 31 May, 2024
Influenza vaccination (2022-2023) reduced hospitalizations by only 35% - Jan 2024 20 Jan, 2024
Influenza, pneumonia, or ear infections almost 2X more likely if low vitamin D - Jan 2023 24 Aug, 2023
Overview Influenza and vitamin D 16 Jul, 2023
Influenza infection 5X less likely if got vitamin D – small RCT Feb 2022 23 Oct, 2022
COVID, like influenza, may be able to mutate to avoid vaccines for decades - March 2022 29 Mar, 2022
Influenza vaccine antibodies not change with Vitamin D – 21 ng or 44 ng – RCT Feb 2019 22 Mar, 2022
Small amounts of Vitamin D reduce Influenza risk by 22 percent (loading dose is far better) – meta-analysis Jan 2022 25 Jan, 2022
COVID, influenza, hepatitis B, measles, etc. vaccine responses vary with Vitamin D and its receptor 08 Dec, 2021
Nursing home vaccinated against Influenza, 800 IU of vitamin D daily cut infection rate in half – small RCT Oct 2021 04 Nov, 2021
COVID-19 and Influenza patients needing ventilation had low Vitamin D – Oct 2021 22 Oct, 2021
Poor Vitamin D receptor blocked Vitamin D from fighting avian influenza viruses (in mice) – July 2021 17 Oct, 2021
Influenza of 1918 and vitamin D - July 2010 22 Sep, 2021
Vaccines protect for: 10 years Tetanus, 3 years Typhoid, 6 month Influenza, unknown COVID – WSJ Sep 10, 2021 13 Sep, 2021
Vitamin D probably can both prevent Influenza and augment vaccine effectiveness – Aug 2018 18 Aug, 2021
Obese get less benefit from vaccines: influenza, hepatitis B, rabies and now COVID-19 - March 2021 01 Aug, 2021
More than 1 hour of daily sun improved influenza vaccine by 35 percent (Vitamin D helps again) – Oct 2019 28 Jul, 2021
Half of COVID-19 death rate differences explained by rates of elderly influenza vaccination and low vitamin D – April 2021 26 May, 2021
Clear Association between Influenza and low Vitamin D - March 2020 12 May, 2021
Influenza Vaccination not benefited by lowish levels of vitamin D – meta-analysis March 2018 25 Mar, 2021
Half the risk of Influenza -A in infants taking 1200 IU of vitamin D for 4 months – RCT Jan 2018 19 Mar, 2021
7X less risk of influenza if Vitamin D levels higher than 30 ng – Oct 2017 17 Feb, 2021
Influenza prevented by 40 ng levels or treated with vitamin D hammer (50,000 IU) – June 2015 26 Dec, 2020
Low vitamin D increases the risk of hepatitis, influenza, Covid-19, AIDS and other viral diseases – Sept 2020 21 Sep, 2020
Perhaps the influenza vaccine will increase the risk of COVID-19 (it did by 2X for COVID-2009) - Sept 2020 08 Sep, 2020
Vitamin D Supplements Could Reduce Risk of Influenza and COVID-19 Infection and Death - April 9, 2020 07 Apr, 2020
Vitamin D supplementation could prevent and treat influenza, CORONAVIRUS, and pneumonia infections - March 2020 30 Mar, 2020
Influenza Virus aerosols killed by 10 minutes of sunlight (far faster if use UV-C) – Nov 2019 16 Feb, 2020
Virus (adeno-36) increases Obesity which then increases risk of another virus (Influenza) - Oct 2013 07 Nov, 2019
Influenza virus might be prevented and treated by Vitamin D, if no vaccination – Aug 2018 16 Aug, 2018
2017 Vaccine may prevent only 10 percent of influenza, Vitamin D prevents 70 percent 16 Feb, 2018
Elderly Influenza deaths do not increase in winter in countries with high vitamin D levels 09 Feb, 2018
Influenza risk reduced 2X by 2,000 IU of Vitamin D (vs 400), RTI reduced 3X by 400 or more IU – July 2017 23 Jan, 2018
Influenza reduced by 1.7 with 1200 IU D3, also reduced related asthma by 6X – RCT May 2010 10 Jan, 2018
Prisoners have very low vitamin D and get TB, influenza, and depression 21 Dec, 2017
Child is 2 X more likely to get influenza if have older sibling (perhaps closely-spaced birth) – Sept 2017 28 Sep, 2017
Influenza virus vaccine for pregnant woman does not protect a fetus for very long – July 2016 01 Aug, 2016
Influenza virus vaccine for pregnant woman does not protect an infant for very long – July 2016 01 Aug, 2016
CDC: Influenza vaccinations not expected to work well this year (but vitamin D should) – Dec 2014 24 Mar, 2015
Major interactions between Vitamin D, Vitamin A, and Influenza – Sept 2013 05 Dec, 2014
Influenzas – both seasonal and pandemic – increase in the winter (low vitamin D) – Dec 2010 07 Nov, 2014
Influenza, solar radiation and vitamin D - 2009 07 Nov, 2014
Influenza vaccine meta-analysis found moderate protection – Lancet Oct 2011 16 Oct, 2014
On the epidemiology of influenza – 2008 09 Oct, 2014
Epidemic influenza and vitamin D – 2007 09 Oct, 2014
Influenza A: 5X reduction in first month (only) with 2,000 IU of vitamin D– RCT July 2014 14 Jul, 2014
Influenza, seniors and vitamin D – Jan 2012 27 Apr, 2014
Influenza Mortality not well modeled by vitamin D – Oct 2011 02 Sep, 2013
Influenza in Norway not reduced by vitamin D – Oct 2011 03 Sep, 2012
Should seniors get a vitamin D booster shot for Influenza – Jan 2012 19 Dec, 2011
Pregnant women at increased influenza risk – letter to editor Aug 2010 21 Aug, 2010
Influenza not reduced by 2000 IU of vitamin D in health adults – Aug 2010 17 Aug, 2010