basic

Of all human-infecting pathogens, measles has the highest basic reproduction number; that is, the average number of people who will be infected by a single case in a freely circulating population.

"Can we honestly dump all the blame on Air India and the crew, when people can't follow basic travel etiquette?" another user said.

But when you get down to it, he said, the answer is fairly straightforward: Do the basics.

Democrats could, at the most basic level, at least display empathy for the increasing numbers of trans Americans who are victims of hate crime.

Some argue that the Kiteezi collapse was inevitable because basic common sense was ignored.