Hard-hit Peru's costly bet on cheap COVID-19 antibody tests
BOGOTA, Colombia - In the early days of the coronavirus pandemic, the harried health officials of Peru faced a quandary. They knew molecular tests for COVID-19 were the best option…
BOGOTA, Colombia - In the early days of the coronavirus pandemic, the harried health officials of Peru faced a quandary. They knew molecular tests for COVID-19 were the best option…