Yun Ling first tried to carry out drug analysis and the separation of active ingredients, and then returned to the basics according to the source of each synthetic drug.

The biggest difference between high, medium and low grade inhibitors is the range of restraint strains covered.

With the evolution of time and genes, and perhaps the resurgence of ancient viruses, the number of strains is growing.

But at present, the requirements for the range of inhibition are obviously not as high as those of later generations, because some germs do not even have them yet

Chapter 237 of "I Eat Melons While Studying in the Chronicles" Add the burden is in the middle of the hand, please wait a while,

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