Reports of gastrointestinal viruses appear every couple of weeks on the news. When it’s not just an alarmist “public health issue” blown way out of proportion, it’s a matter of insufficient hygiene and the spread of germs.
What’s revealed is pretty sickening. This brilliant trick could be part of your standard repertoire. Better safe than sorry!
The problem is that we can not see these microscopic threats with the naked eye. But a smartphone can shine some light on the truth; literally!