11 jul 2009, 10:30 | Rotterdam - Vliegmaatschappijen zijn met het uitbreken van de Mexicaanse griep extra waakzaam om patiënten ook met andere besmettelijke ziekten aan boord te weren.
De bemanningen van KLM, Martinair en Transavia, maar ook van andere luchtvaartmaatschappijen, letten ook scherp op mogelijke besmettingen met andere ziekten, zoals waterpokken en mazelen, waarvan de uiterlijke kenmerken zichtbaar zijn. In al die gevallen wordt een doktersverklaring verlangd. "Als passagiers niet kunnen aantonen dat ze uit de besmettelijke periode zijn, moeten we die weigeren aan boord om andere passagiers te beschermen", aldus Christina van Rooij, de directiewoordvoerster van Transavia.com. Een doktersverklaring is onder meer ook vereist voor luchtreizigers met een van de ledematen in het gips.
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Most of the 18 Australians who have died with swine flu had other serious health problems contributing to their deaths, and those deemed most vulnerable have been the focus of the commonwealth response to the pandemic.
But Antonio Lazcano, biology professor at the Universidad Nacional Autonoma de Mexico, told The Weekend Australian "an excess of precaution" was also required for healthy people.
"In some cases, it simply doesn't fit with any underlying health problems," he said.
"In the Mexican case, people were paying attention to the very young or very old or people with underlying problems like diabetics.
"What was very surprising is a very significant number of the deceased people did not fall into the extremes of ages but actually were between 20 and 35, which is a population you normally don't expect to get ill."
Professor Lazcano, president of the International Society for the Study of the Origin of Life, joined a group of Mexican scientists who after the outbreak there began to study the H1N1 virus.
He said the pandemic -- which has been associated with at least 429 deaths globally -- should be expected to get worse.
"One must remember that when the big 1918 Spanish influenza developed, the first wave was a very mild one and then the second wave was very serious. My own guess is that the flu is here forever. It will be coming periodically.
"Winter is coming in the southern hemisphere, so people must pay a lot of attention," he said in Adelaide, where he is attending the Festival of Ideas this weekend.
Professor Lazcano believes the virus probably originated in the US and went unnoticed until it suddenly "exploded" in Mexico. "My guess is that the virus has been around at least for three or four years, circulating."
Swine flu is now infecting more influenza patients in Australia than all other strains combined.


