Health News

COVID-19 vaccine: If there are no side effects, does it work?

While many assume that side effects from a COVID-19 vaccine mean that the shot is working, researchers at Johns Hopkins in Baltimore state that people should not interpret the symptoms that way. The researchers found that whether one experienced side effects or not, the vaccines worked exceedingly well at generating a strong immune response. Overall, […]

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How COVID-19 vaccines prime T cells to fight new coronavirus variants

Some SARS-CoV-2 variants of concern can evade neutralizing antibodies in vaccinated individuals, raising concerns about the ability of vaccines to protect against them. COVID-19 vaccines also result in a T cell response that facilitates recovery from the disease. A recent study investigating variants of concern in individuals immunized with the Moderna and Pfizer COVID-19 vaccines […]

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How is gum disease linked to inflammation, heart disease, cancer?

New research reveals how gum disease might exacerbate inflammation elsewhere in the body. The findings help explain associations between gum disease and several other conditions that involve excessive inflammation. In gum disease, or periodontitis, bacteria in dental plaque provoke an attack by the immune system. This triggers inflammation, which over time, erodes the soft tissue […]