Declining antibody levels do not mean less immunity, experts say. Besides, two widely used tests may detect the wrong antibodies.A pharmacist administering a test for coronavirus antibodies in France last week. Credit...Frederick Florin/Agence France-Presse — Getty ImagesJuly 26, 2020, 5:00 a.m. ETYour blood carries the memory of every pathogen you’ve ever encountered. If you’ve been infected…

GIGLIO ISLAND, Italy (AP) — Stranded on a tiny Italian island, a cancer researcher grew increasingly alarmed to hear that one, and then three more visitors had fallen ill with COVID-19.Paola Muti braced for a rapid spread of the coronavirus to the 800 closely-knit islanders, many of whom she knows well. Her mother was born…

437 new COVID-19 cases reported SaturdayMichigan COVID-19 data through July 25, 2020. (WDIV)The number of confirmed cases of the coronavirus (COVID-19) in Michigan has risen to 76,978 as of Saturday, including 6,149 deaths, state officials report.On Saturday, the state reported a total of 57,502 recoveries, 437 new cases and 14 additional deaths. The state also…

Authorities declared a riot early on Sunday in Portland, Oregon, where protesters breached a fence surrounding the city’s federal courthouse building where US agents have been stationed. Police described via Twitter the “violent conduct of people downtown” as creating a “grave risk of public alarm”. Police demanded people leave the area surrounding the courthouse at…

Image copyright Getty Images Image caption Police used pepper spray against protesters in Seattle Police in the US city of Seattle clashed with crowds marching in support of anti-racism protests, in one of the most tense of several rallies held across the country on Saturday.Officers used stun grenades and pepper spray, as protesters set a…