Diseases, Conditions, Syndromes

Brazil launches dengue vaccination amid outbreak

Brazil launched a dengue fever immunization campaign Friday, becoming the first country in the world to provide the vaccine through its public health system as it deals with a surge in cases.

Diseases, Conditions, Syndromes

Brazil on dengue fever alert ahead of carnival

Sao Paulo opened an emergency operations center Tuesday to deal with a surge in dengue fever cases that has hit Brazil and South America just as millions of tourists arrive for carnival celebrations.

Diseases, Conditions, Syndromes

Brazil sees dengue cases quadruple ahead of vaccine drive

The number of dengue fever cases in Brazil since January 1 is four times higher than the same period last year, government data showed Saturday, ahead of the launch of a vaccination campaign.

Diseases, Conditions, Syndromes

Brazil to launch vaccination campaign as dengue surges

Brazil will start a vaccination campaign against dengue fever in February, authorities said, as a sharp rise in cases of the potentially deadly disease raised fears of a runaway outbreak.

Diseases, Conditions, Syndromes

What is Disease X? How scientists are preparing for the next pandemic

The term "Disease X" was coined years ago as a way of getting scientists to work on medical countermeasures for unknown infectious threats—novel coronaviruses like the one that causes COVID-19, for example—instead of ...

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Bleeding

Bleeding, technically known as hemorrhaging or haemorrhaging (see American and British spelling differences) is the loss of blood or blood escape from the circulatory system. Bleeding can occur internally, where blood leaks from blood vessels inside the body or externally, either through a natural opening such as the vagina, mouth, nose, ear or anus, or through a break in the skin. Desanguination is a massive blood loss, and the complete loss of blood is referred to as exsanguination. Typically, a healthy person can endure a loss of 10–15% of the total blood volume without serious medical difficulties, and blood donation typically takes 8–10% of the donor's blood volume.

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