BEIJING, Feb. 14 -- A batch of PLA naval vessels was dispatched to deliver disaster relief supplies to Tonga on January 31. For COVID-19 protection and control, the task group was equipped with a mobile nucleic acid testing laboratory. The lab could complete the testing of more than 5,000 COVID-19 nucleic acid samples per day, and could also carry out the nucleic-acid testing for dozens of infectious diseases covering respiratory and gastrointestinal diseases.
