Streptococcal pharyngitis , also known as strep throat , is an infection of the back of the throat including the tonsils caused by group A streptococcus GAS. Strep throat is spread by respiratory droplets from an infected person. Prevention is by washing hands and not sharing eating utensils. Strep throat is a common bacterial infection in children. Other symptoms include: headache , nausea and vomiting , abdominal pain ,  muscle pain ,  or a scarlatiniform rash or palatal petechiae , the latter being an uncommon but highly specific finding. Symptoms typically begin one to three days after exposure and last seven to ten days.
Strep Throat: All You Need to Know
Strep Throat: What It Looks Like | Bumps and White Spots in Throat
Strep is short for Streptococcus, a type of bacteria. There are several types. Two of them cause most of the strep infections in people: group A and group B. Group B strep can cause blood infections, pneumonia and meningitis in newborns. A screening test during pregnancy can tell if you have it. If you do, intravenous IV antibiotics during labor can save your baby's life. Adults can also get group B strep infections, especially if they are 65 or older or already have health problems.
The Difference between a Sore Throat, Strep & Tonsillitis
It said the outbreak started in Braintree, and has since spread to the Chelmsford and Maldon areas — but did not give a timeline. Group A streptococcal GAS infection is a group of bacteria which causes infections in the throat and skin, which can range from mild to life-threatening. Most of these infections cause mild illness such as strep throat, scarlet fever or tonsillitis — while it can also cause impetigo, cellulitis, middle ear infection and sinusitis.
Show less Strep throat is a contagious bacterial infection that develops in the throat. It is estimated that about 30 million cases are diagnosed annually. While children and individuals with compromised immune symptoms are more likely to get strep than healthy adults, it can strike at any age. The only way to find out for certain that you have strep throat is to go to the doctor and have professional medical tests done.