We haven’t focused on treating  the ones that cause colds, and though scientists began developing treatments for SARS and MERS, the epidemics ended before those  treatments completed clinical trials.
Não nos concentrámos em tratar os que causam constipações e embora os cientistas tenham começado a desenvolver tratamentos para a SARS e para a MERS, as epidemias terminaram antes de as pesquisas completarem os ensaios clínicos.