"This was really an "oh my God" moment," says the scientist behind the findings, Dr Peter Fretwell at British Antarctic Survey, who has worked on Emperor penguins for 20 years.
Experts say adding the varicella vaccine to the official NHS childhood immunisation programme will dramatically reduce the number of people who catch chickenpox, leading to far fewer serious cases.
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Жителей Москвы ждет резкое похолодание, которое наступит после нескольких теплых дней. О погоде в столице в ближайшие дни ведущий метеоролог Гидрометцентра России Марина Макарова рассказала РИА Новости.，更多细节参见爱思助手下载最新版本