strains

different strains of bacteria can cause various infections.

the new strains of the virus are more contagious.

farmers are researching new strains of crops for better yields.

some strains of plants are more resistant to pests.

scientists are studying the genetic strains of the species.

there are many strains of flu circulating this season.

different strains of yeast are used in baking.

some strains of cannabis have higher thc levels.

research is ongoing to develop new strains of vaccines.

strains of the same species can exhibit different characteristics.