Thailand and Pakistan have introduced health screenings at international airports as a result of an outbreak Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice UK health officials have warned travellers of the outbreak of a “serious infectious disease” in India . On 13