Vaccines

In the early 1800s, a unified effort by Denmark's government, medical community, church, and educators led to the rapid elimination of smallpox in Copenhagen. The campaign achieved 90 percent vaccination rates among children by 1810, making Denmark Europe's most vaccinated nation per capita at the time. This success offers insights into building trust for modern vaccination drives.

January 27, 2026 由 AI 报道

The measles vaccine has averted 60 million deaths worldwide since 2000, yet low vaccination rates fueled by misinformation are causing outbreaks in several countries. A fraudulent 1998 study linking the MMR vaccine to autism continues to undermine public health efforts. Experts urge stronger measures to counter anti-vaccine disinformation on social media and beyond.

A mutation of the influenza A virus, known as the H3N2 K subclade, has led to increased hospitalizations in Europe and the United States, though no more severe cases are reported. In Latin America, including Mexico, preventive surveillance is in place without this variant predominating. Authorities recommend vaccination for vulnerable groups amid the risk of spread.

December 09, 2025 由 AI 报道 事实核查

The U.S. Supreme Court has vacated a federal appeals court ruling that upheld New York’s elimination of religious exemptions from school vaccination requirements, ordering a new review in light of a recent decision expanding protections for parents’ religious objections to public school policies.

A large study of nearly 14 million children in England found that COVID-19 infection increases the risk of rare heart and blood vessel issues more than vaccination. The research shows vaccination is safer and sometimes protective against these complications. These findings strengthen evidence supporting vaccination for children during the pandemic.

October 28, 2025 由 AI 报道 事实核查

A large retrospective study from the University of Florida and The University of Texas MD Anderson Cancer Center, published in Nature, reports that patients with advanced non-small cell lung cancer or metastatic melanoma lived significantly longer if they received a Pfizer-BioNTech or Moderna COVID-19 mRNA shot within 100 days of starting immune checkpoint inhibitors. The authors stress the findings are observational and will require confirmation in randomized trials.