COVID-19 test results are delayed a week or longer in hotspot communities, undercutting public health efforts to track, isolate and prevent spread.
‘Pushing the boundaries’: Long lines for COVID tests, stressed labs delay results as demand spikes
More Stories
Brazil rolls out COVID-19 vaccination plan
First Pfizer COVID-19 vaccine shipments to be delivered to US distribution sites starting Monday
CDC advisory panel recommends Covid-19 vaccine for people 16 and over