The Weekly Epidemiological Record (WER) is accessible every Friday in electronic bilingual English/French version and can be downloaded free of charge at http://www.who.int/wer/en/
The WER serves as an essential instrument for the rapid and accurate dissemination of epidemiological information on cases and outbreaks of diseases under the International Health Regulations and on other communicable diseases of public health importance, including emerging or re-emerging infections.