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If a patient attempts to use a nasal spray treatment while they have allergic rhinitis (i.e., a runny nose), that thick mucus can make it difficult for the medication in a nasal spray to penetrate ...
The updated COVID-19 vaccine is now available. Infectious disease doctors recommend being smart about the timing of your shot. You can expect similar side effects to the previous vaccines if you ...
Receiving an updated 2024-2025 COVID-19 vaccine can restore and enhance protection against the virus variants currently responsible for most infections and hospitalizations in the United States.
Vaccine wastage is the number of vaccines that have not been administered during vaccine deployment in an immunization program. The wastage can occur at multiple stages of the deployment process, and can take place in both unopened and opened vials, or in oral admission.
Research about the main characteristics of nasal spray vaccines that can affect the efficiency of vaccine delivery for COVID-19 indicates that the spray cone angle can impact the delivery efficiency; droplet initial velocity and composition did not have as much of an impact on nasal vaccine efficiency as the spray cone angle.
[70] [71] High efficacy is achieved with full immunization, two weeks after the second dose, and was evaluated at 94.1%: at the end of the vaccine study that led to emergency authorization in the US, there were eleven cases of COVID‑19 in the vaccine group (out of 15,181 people) versus 185 cases in the placebo group (15,170 people). [70]
But several studies in 2-year-olds through 17-year-olds after the 2009 pandemic found that, while the nasal spray vaccine was effective against influenza B viruses and influenza A(H3N2) viruses ...
However, the nasal spray vaccine won’t cause influenza illness. According to the FluMist package insert , the flu spray is about as effective as the shot: 45%, compared to between 40% and 60% ...
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