SARS-CoV-2 infections have been rising in the past month — global cases increased by more than 19,000 last month compared with the previous month, according to data posted on the World Health Organization (WHO) COVID-19 dashboard. But the real number of infections is much higher than that, researchers say, because countries are less focused on collecting data on the infection now than they were during the COVID-19 pandemic.Although surveillance data that are used to track the absolute number of SARS-CoV-2 infections are less robust than during the pandemic, researchers are tracking information about the number of people with severe COVID-19 who require hospitalization. “Hospital-based surveillance is what we’re mostly doing. Is Covid-19 over?

