The Pfizer shot was 88% effective at preventing infection a month after the second dose, but that fell to 74% after five to six months, the study found.
Two or more U.S. staff in Hanoi were evacuated after feeling symptoms of what intelligence officials suspect is a microwave energy attack, but a theory with little evidence so far.
Democrats and Independents are increasingly worried about the threat of Covid-19 to the country while Republicans, practically no more concerned about the coronavirus than they were last month, are more concerned about immigration and the government.