A 25 January 2021 photo of laboratory samples in San Jose, Costa Rica. Costa Rican scientists are developing a rapid molecular saliva-based test for Covid-19 that promises to give that Central American country a certain degree of autonomy and allow it to conduct mass contact tracing. EPA-EFE/Jeffrey Arguedas
A scientist works in a laboratory in San Jose, Costa Rica, on 25 January 2021. Costa Rican scientists are developing a rapid molecular saliva-based test for Covid-19 that promises to give that Central American country a certain degree of autonomy and allow it to conduct mass contact tracing. EPA-EFE/Jeffrey Arguedas
A 25 January 2021 photo of laboratory samples in San Jose, Costa Rica. Costa Rican scientists are developing a rapid molecular saliva-based test for Covid-19 that promises to give that Central American country a certain degree of autonomy and allow it to conduct mass contact tracing. EPA-EFE/Jeffrey Arguedas
Costa Rican scientists are developing a rapid molecular saliva-based test for Covid-19 that promises to give that Central American country a certain degree of autonomy and allow it to conduct mass contact tracing.
