With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, according to a study published in Nature. Using population-wide data from ...

A new study found that a previous COVID-19 infection offers at least the same level of protection as two doses of high-quality mRNA vaccines, such as Moderna and Pfizer-BioNTech. Additionally, people ...

Adults who aren’t current on their COVID-19 vaccine booster doses may have "relatively little remaining protection" against hospitalization compared to those who haven’t been vaccinated at all, ...

A new study found that a previous COVID-19 infection offers at least the same level of protection as two doses of high-quality mRNA vaccines, such as Moderna and Pfizer-BioNTech. Additionally, people ...

Two years after the first Covid shots went into arms, a growing chorus of researchers is calling for a new generation of vaccines that provide broader and more long-term protection against the disease ...

The COVID-19 vaccines developed for the 2024-2025 respiratory disease season were around 75% effective at preventing medically attended COVID-19 among children aged 9 months to 4 years, according to ...

The Covid vaccines, while holding up strong against hospitalization and death, offer little protection against long Covid, according to research published Wednesday in the journal Nature Medicine. The ...

New data released Thursday by the Centers for Disease Control and Prevention suggest that the most recent Covid-19 booster offers about 54% percent protection against infection with the virus. A study ...

A new, rapidly spreading coronavirus variant has sounded alarm bells for public health experts in the United States amid a rise in cases across the country. Doctors warned that the BA.2.86 variant – ...

DEAR DR. ROACH: My daughter was recently visiting and tested positive for COVID. Since my last COVID vaccine was eight months ago, I searched for how much protection I still had and understood the ...

The study didn't examine the updated bivalent boosters. COVID-19 vaccine effectiveness against omicron infection fell dramatically after six months for people who only got their primary series, ...