Yellow fever is a viral illness spread by mosquitoes in some parts of Africa and South America. You can take a single-dose ...

In 1900, Dr Jesse Lazear died after being bitten by a mosquito carrying yellow fever, helping prove the disease was mosquito-borne. His sacrifice confirmed Carlos Finlay’s contested theory, overturned ...

Systematic review finds lifelong immunity from a single yellow fever vaccine, with rare cases of breakthrough infections. Study: Yellow fever breakthrough infections after yellow fever vaccination: a ...