Currently there's no evidence to suggest that salads are a major source of food poisoning in the UK and very few incidents of contamination in pre-packed salads have been reported to the Food Standards Agency in the past three years.
Bacteria have tiny channels in their walls which operate like the valve on a pressure cooker - they open to release material when the pressure in a bacterial cell gets too great. If the channel didn't open to relieve pressure the bacteria would explode and die, so this is a target for drug development.
An international aid agency has confirmed some cases of cholera in Myanmar's cyclone-hit Irawaddy delta but the number is line with normal levels in previous years.
The death toll in China's outbreak of hand-foot-mouth disease has risen to 42 children, with the capital Beijing reporting its first case on Wednesday.
A report from Sun 11 May 2008 shows that 183 children from the capital city Ulaanbataar and provincess have been infected and have been admitted to hospitals for treatment.
Researchers have measured concentrations of bacteria in the cabin air of 12 commercial passenger aircraft and found that flying may be safer than we think.