<p id="thickbox_headline">'Significant increase' in protection vs Omicron from mRNA boosters, study says</p>.<p>'Significant increase' in protection vs Omicron from mRNA boosters, study says</p>.<p>Getting a third dose of either Pfizer-BioNTech's or Moderna's Covid-19 vaccine offers a "significant increase" in protection against the Omicron variant in elderly people, according to a Danish study published on Wednesday.</p>.<p>The study, which is not yet peer-reviewed, investigated the effectiveness of Covid-19 vaccines that use so-called mRNA technology against the Delta variant and the new, more infectious Omicron variant.</p>.<p>"Our study contributes to emerging evidence that BNT162b2 (Pfizer-BioNTech) or mRNA-1273 (Moderna) primary vaccine protection against Omicron decreases quickly over time, with booster vaccination offering a significant increase in protection," the authors wrote in the study.</p>.<p>The study was conducted by researchers at Denmark's top infectious disease authority, Statens Serum Institut (SSI). It analysed data from three million Danes gathered between November 20 and December 12.</p>.<p>Among those who recently had their second vaccine dose, effectiveness against Omicron was measured at 55.2% for Pfizer-BioNTech and 36.7% for Moderna, compared to unvaccinated people.</p>.<p>But that protection quickly waned over the course of five months, the researchers said.</p>.<p>"We see that the protection is lower and decreases faster against Omicron than against the Delta variant after a primary vaccination course," study author Palle Valentiner-Branth said.</p>.<p>However, a third dose of Pfizer-BioNTech's vaccine restored protection to 54.6% in people aged 60 or more who had been inoculated 14 to 44 days earlier, compared to those with only two doses.</p>.<p>The study confirms the findings of a recent British study, which also showed a rapid decline in protection against Omicron over time and an increase following a booster with Pfizer-BioNTech's vaccine.</p>.<p>"In light of the exponential rise in Omicron cases, these findings highlight the need for massive rollout of vaccinations and booster vaccinations," the researchers said.</p>.<p><strong>Watch the latest DH videos:</strong></p>
<p id="thickbox_headline">'Significant increase' in protection vs Omicron from mRNA boosters, study says</p>.<p>'Significant increase' in protection vs Omicron from mRNA boosters, study says</p>.<p>Getting a third dose of either Pfizer-BioNTech's or Moderna's Covid-19 vaccine offers a "significant increase" in protection against the Omicron variant in elderly people, according to a Danish study published on Wednesday.</p>.<p>The study, which is not yet peer-reviewed, investigated the effectiveness of Covid-19 vaccines that use so-called mRNA technology against the Delta variant and the new, more infectious Omicron variant.</p>.<p>"Our study contributes to emerging evidence that BNT162b2 (Pfizer-BioNTech) or mRNA-1273 (Moderna) primary vaccine protection against Omicron decreases quickly over time, with booster vaccination offering a significant increase in protection," the authors wrote in the study.</p>.<p>The study was conducted by researchers at Denmark's top infectious disease authority, Statens Serum Institut (SSI). It analysed data from three million Danes gathered between November 20 and December 12.</p>.<p>Among those who recently had their second vaccine dose, effectiveness against Omicron was measured at 55.2% for Pfizer-BioNTech and 36.7% for Moderna, compared to unvaccinated people.</p>.<p>But that protection quickly waned over the course of five months, the researchers said.</p>.<p>"We see that the protection is lower and decreases faster against Omicron than against the Delta variant after a primary vaccination course," study author Palle Valentiner-Branth said.</p>.<p>However, a third dose of Pfizer-BioNTech's vaccine restored protection to 54.6% in people aged 60 or more who had been inoculated 14 to 44 days earlier, compared to those with only two doses.</p>.<p>The study confirms the findings of a recent British study, which also showed a rapid decline in protection against Omicron over time and an increase following a booster with Pfizer-BioNTech's vaccine.</p>.<p>"In light of the exponential rise in Omicron cases, these findings highlight the need for massive rollout of vaccinations and booster vaccinations," the researchers said.</p>.<p><strong>Watch the latest DH videos:</strong></p>