[Breaking] Hope for 'End of Corona' with Vaccine News... Experts Warn 'One Mountain After Another'

[Asia Economy Reporter Han Seung-gon] Cheers erupted as Pfizer, an American pharmaceutical company, announced the good news that its novel coronavirus disease (COVID-19) vaccine is 90% effective.

However, experts voiced cautious opinions, saying that it is still an uphill battle before this vaccine can be widely administered and ultimately change the course of the pandemic (global spread of infectious disease).

According to foreign media reports on the 9th (local time), the main challenge for COVID-19 vaccines, including Pfizer's, which have entered the final stage of development, is how quickly they can be supplied on a large scale and maintain sustained effects across society.

This content was produced with the assistance of AI translation services.