Chickenpox, also called varicella-zoster, produces a red rash that blisters, then scabs over. It's very contagious and spreads through bodily fluids and bodily.
Pinkeye that's caused by bacteria can spread to others as soon as symptoms appear and for as long as there's discharge from the eye — or until 24 hours after.
Many stomach bugs are caused by viruses such as rotavirus and norovirus. Both are highly contagious viruses. A child or adult may become infected more than once.
Pink eye can be contagious if it is caused by a virus. The risk of spread is higher when there is drainage from the eye. The virus can be survive on surfaces.
Whooping cough, or pertussis, is very contagious and mainly affects infants and young children. Whooping cough is caused by a bacterium called Bordetella.
Measles is highly contagious and can be transmitted from 4 days before the rash becomes visible through. 4 days after the rash appears. What should be done if.