
Covid-19 vaccine booster effectiveness wanes after four months but still offers protection, study finds
CNN
Booster doses of the Pfizer/BioNTech and Moderna coronavirus vaccines are safe, and they offer high levels of protection against severe Covid-19 even though that protection can wane over time, according to two studies published by the US Centers for Disease Control and Prevention on Friday.
Evidence of waning protection "reinforces the importance of further consideration of additional doses to sustain or improve protection" against Covid-19-linked hospitalizations and emergency department visits, one of the studies says.

Defense Secretary Pete Hegseth risked compromising sensitive military information that could have endangered US troops through his use of Signal to discuss attack plans, a Pentagon watchdog said in an unclassified report released Thursday. It also details how Hegseth declined to cooperate with the probe.

Two top House lawmakers emerged divided along party lines after a private briefing with the military official who oversaw September’s attack on an alleged drug vessel that included a so-called double-tap strike that killed surviving crew members, with a top Democrat calling video of the incident that was shared as part of the briefing “one of the most troubling things” he has seen as a lawmaker.

Authorities in Colombia are dealing with increasingly sophisticated criminals, who use advanced tech to produce and conceal the drugs they hope to export around the world. But police and the military are fighting back, using AI to flag suspicious passengers, cargo and mail - alongside more conventional air and sea patrols. CNN’s Isa Soares gets an inside look at Bogotá’s war on drugs.










