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 ...

The new study, published in JAMA Internal Medicine, found that the 2024–2025 COVID-19 vaccine continued to protect against ...

When should I get my next COVID booster shot? Health experts say the best time to get a COVID booster shot is in the early fall, with mid-September through October offering the strongest protection.

Early investigation revealed a reduced risk of SARS-CoV-2 infection among social contacts of COVID-19 vaccinated individuals, referred to as indirect protection. However, indirect protection from SARS ...

New research emphasizes the need for ongoing COVID-19 protection for people with weakened immune systems, with scalable tests helping identify those most at risk to enable tailored strategies. The ...

2024-2025 COVID-19 vaccines reduced hospitalization risk by 40% against JN.1 lineage variants. COVID-19 is still a public threat and health concern. Between 2024 and 2025, an estimated 380,000 to ...

The landscape of Covid-19 continues to evolve in 2024, with the XEC variant emerging as the main concern during this winter season. This mutation of the Omicron strain now represents 45% of all cases ...

Data in this new study shows that the 2024–2025 COVID-19 vaccines provide similar protection to the previous formulation. They were found to be most protective four weeks after vaccination, providing ...

The BA.3.2 COVID-19 variant, nicknamed Cicada, is evading capable antibodies gained from previous vaccinations. According to experts, it is less likely that the currently available COVID vaccines will ...

Why do some people stay protected after vaccination while others quickly lose immunity? Researchers in Japan tracked over 2,500 people for 18 months and found four distinct immune response patterns.

Covid vaccines continue to protect against serious illness and death, especially for people ages 65 and older, although the benefits for younger adults are not as clear, according to a large new study ...