Of the 56.4 million deaths worldwide in 2015, more than half (54%) were due to the top 10 causes. Ischaemic heart disease and stroke are the worldâs biggest killers, accounting for a combined 15 million deaths in 2015. These diseases have remained the leading causes of death globally in the last 15 years.
Contraction and Spread of Streptococcus pyogenes. Streptococcus pyogenes is a very common bacteria found in humans. It is very transmissible and can be caught through the air via coughing or sneezing. This form of Strep. illness is referred to as Streptococcal pharyngitis, also known as Strep. throat, which can complicate into Scarlet Fever.
The picture above is a wonderful example of the Streptococcus pyogenes being gram-positive. A bacteria is gram-positive when it is a purple color after being stained. As you can see, the Streptococcus pyogenes is a gram-positive bacteria.It can also be seen that the bacteria has a coccoid shape and grows in chains.This picture is a perfect example of what Streptococcus pyogenes looks like when it is properly gram stained. bacteria is gram-positive when it is a purple color after being stained. As you can see, the Streptococcus pyogenes is a gram-positive bacteria. It can also be seen that the bacteria has a coccoid shape and grows in chains.