Before revision:  Some pathogens become so deadly that they put the whole technological advancement of humans under question-such as the case of SARS-CoV-2, however, this is not the only time. SARS-CoV-2 has become a pandemic but within this very decade several other deadly virus outbreaks were witnessed by mankind like Zika virus, Ebola virus, MERS etc.
After revision:  Some pathogens become so deadly that they put the whole technological advancement of healthcare under challenge. Within this very decade several other deadly virus outbreaks were witnessed by mankind like Zika virus, Ebola virus, MERS etc.