5 things to know for May 19: Vaccine, hydroxychloroquine, symptoms, EU, al Qaeda

(CNN)Hurricanes, typhoons and cyclones are becoming stronger, according to a NOAA study. Great, a new thing to worry about. Here’s what you need to know to Get Up to Speed and On with Your Day. (You can also get “5 Things You Need to Know Today” delivered to your inbox daily. Sign up here.)1. VaccineThere’s some good news in the quest for a coronavirus vaccine: The biotech company Moderna says volunteers who got its Covid-19 vaccine had positive early results. Trial participants developed neutralizing antibodies to the virus that sometimes surpassed levels seen in people who’ve naturally recovered from Covid-19. Neutralizing antibodies bind to the virus, disabling it from attacking human cells. But it’s still not clear whether natural infection confers immunity to reinfection, and so it’s also not clear whether vaccination confers immunity. The trial was very small, and the results haven’t been peer-reviewed, but Moderna’s chief medical officer says if future studies go well, the vaccine could be available to the public as early as January. 2. HydroxychloroquinePresident Trump claimed he’s taking daily doses of hydroxychloroquine, the controversial antimalarial drug he and his inner circle have touted as a possible treatment for Covid-19. While speaking at a meeting of restaurant executives, Trump said he started taking the drug after consulting with White House physician Dr. Sean Conley — though notably, he did not say Conley recommended the drug. Conley said in a White House memo that he and the President decided “the potential benefit from treatment outweighed the relative risk.” That’s not a view shared by other
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