It’s the most infectious strain yet, coming even as many people have written off the pandemic. BA.5, now the dominant coronavirus subvariant in New Jersey and the U.S., has shown resistance to COVID-19 vaccines, making experts nervous. Worse, prior immunity doesn’t seem to be the shield it once was as protection from recent infection appears to offer reduced or even no armor against the strain. “It seems to be by far the most transmissible variant that we have seen,” said Stephanie Silvera, an infectious disease expert and professor at Montclair State University. To read the full story.