Here’s what you need to know: Even mild Covid-19 cases confer ‘durable immunity,’ new studies find. Fearing a ‘twindemic,’ health experts push urgently for flu shots. A cluster of cases prompts New Zealand to delay its election. ‘What convention?’ Milwaukee, site of the Democratic National Convention, copes with a gathering …
Read More »Coronavirus Live Updates: Scientists See Signs of Lasting Immunity, Even After Mild Infections
