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According to the CDC, [1] "a study published in the New England Journal of Medicine [25] [in August, 2014] indicated that the high-dose vaccine was 24.2% more effective in preventing flu in adults 65 years of age and older relative to a standard-dose vaccine." The CDC recommends the high-dose vaccine for people 65 and over but expresses no ...
The CDC stated most studies on modern influenza vaccines have seen no link with GBS, [87] [89] [90] Although one review gives an incidence of about one case per million vaccinations, [91] a large study in China, reported in the New England Journal of Medicine, covering close to 100 million doses of H1N1 flu vaccine, found only 11 cases of GBS ...
A 2024 CDC study found that the 2024 flu vaccine reduced the risk of hospitalization from the flu by 35% in the Southern Hemisphere. [106] The research, conducted across five countries—Argentina, Brazil, Chile, Paraguay, and Uruguay—showed the vaccine was less effective than the one used in the previous season.
The CDC estimates that there have been at least 9.1 million illnesses, with 110,000 hospitalizations for adults. It’s also estimated that 4,700 people have died from flu this season.
The following is a list of WHO recommended strains for the Northern Hemisphere influenza season. Starting in the 2012–2013 season, the recommendation shifted to include the composition of a quadrivalent influenza vaccine (QIV) that contains both influenza B lineages, alongside a trivalent influenza vaccine (TIV) containing one influenza B lineage.
The Centers for Disease Control and Prevention (CDC) identified the first two A/09(H1N1) swine flu cases in California on April 17, 2009, via the Border Infectious Disease Program, [135] for a San Diego County child, and a naval research facility studying a special diagnostic test, where influenza sample from the child from Imperial County was tested. [136]
Everyone six months of age and older, who does not have contraindications, needs to get a flu vaccine, according to the CDC’s 2019-2020 flu season recommendations. While no vaccine can offer 100 ...
[105] The CDC's Safety Information by Vaccine page provides a list of the latest safety information, side effects, and answers to common questions about CDC recommended vaccines. [106] The Vaccine Safety Datalink (VSD) works with a network of healthcare organizations to share data on vaccine safety and adverse events. [107]