Streptococcus is a bacterium which is commonly found in the throat. It can give you strep throat, rheumatic fever, scarlet fever, or tonsillitis. There are two groups, group A and B
Yes, usually it happens at the same time, although I have seen patients who have had weak pulses but not breathing (usually following an overdose of an opiate drug such as heroin)
Stop by, becasue you want them to come by and say hi or something but when you say "bye" it's as if they are leaving so you are saying good bye to them