Hello, I'm a public health specialist with a focus on infectious diseases. Scarlet fever, also known as scarlatina, is a bacterial infection caused by Group A Streptococcus bacteria. It's characterized by a sore throat, fever, and a fine, red body rash with a sandpaper-like feel.

Scarlet fever is highly contagious. It spreads through respiratory droplets released when an infected person talks, coughs, or sneezes. It can also spread through direct contact with an infected person or by touching contaminated surfaces and then touching the face, particularly the nose or mouth.

The incubation period for scarlet fever is typically 1 to 7 days, and an individual is most contagious during the first few days of the illness. Proper hand hygiene, avoiding close contact with infected individuals, and cleaning potentially contaminated surfaces can help prevent the spread of the disease.

Here's the translation in Chinese:

你好，我是一名专注于传染病的公共卫生专家。猩红热，也称为猩红热，是由A组链球菌引起的细菌感染。它的特征是喉咙痛、发烧和细小的红色身体皮疹，触感像砂纸。

猩红热的传染性非常强。它通过感染者说话、咳嗽或打喷嚏时释放的呼吸道飞沫传播。它也可以通过直接接触感染者或触摸被污染的表面，然后触摸脸部，特别是鼻子或嘴巴来传播。

猩红热的潜伏期通常为1至7天，患者在疾病最初几天最具传染性。正确的手卫生、避免与感染者密切接触以及清洁可能被污染的表面可以帮助防止疾病的传播。

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Scarlet fever is very contagious and can be caught by: breathing in bacteria in airborne droplets from an infected person's coughs and sneezes. touching the skin of a person with a streptococcal skin infection, such as impetigo. sharing contaminated towels, baths, clothes or bed linen.read more >>