NEW YORK -- This holiday season held promise for Americans, many of whom spent Christmas 2020 in quarantine or away from loved ones due to a nasty winter COVID-19 surge. Yet in the last week or so, ...

Moderna said on Monday its updated Covid-19 booster generated "significantly higher" neutralizing antibodies against the Omicron BA.4/BA.5 subvariants than its earlier shot. The bivalent booster used ...

As the summer surge of COVID-19 crests, many people are weighing whether they need to get booster shots now to protect against the disease (SN: 7/19/24). The U.S. Food and Drug Administration approved ...

In the first real-world test of vaccine boosters specially designed to protect against the Omicron variant, Israeli researchers have found that people 65 and older who got an updated jab were 81% less ...

Last week, the CDC published initial data with promising implications for people who get the updated Covid-19 boosters. Scientists designed the updated, bivalent mRNA boosters to combat the omicron ...

Availability and uptake, however, are two different things. And given the meager vaccination rate among youngsters under 5, as well as modest overall demand for the new bivalent doses, it remains to ...

A recent study published in the British Medical Journal compared different coronavirus disease 2019 (COVID-19) vaccination regimens. The study reveals that heterologous booster vaccination provides ...

The new omicron boosters are very effective at preventing seniors from being hospitalized with Covid, according to a new CDC study. U.S. health officials have focused in particular on making sure more ...

The CDC has published real-world data showing the omicron booster cuts the risk of mid illness from the fast spreading XBB subvariants. But the protection varies by age. Adults ages 18 to 49 had a 48% ...

If you are high-risk, the answer is straightforward. If you are low-risk, there is less consensus. By Dana G. Smith Three years into the pandemic, it has become evident that Covid-19 isn’t going ...