Enter the size of the slab you want to build in square feet. The calculator will indicate the number of 60 lb bags you will need to build a 4 inch or 6 inch slab. (all yields are approximate and do not allow for uneven substrate, waste, etc.)
The classic symptoms of pertussis are a paroxysmal cough, inspiratory whoop, and fainting, or vomiting after coughing. The cough from pertussis has been documented to cause subconjunctival hemorrhages, rib fractures, urinary incontinence, hernias, and vertebral artery dissection.
Babies and Children. Pertussis (whooping cough) can cause serious and sometimes deadly complications in babies and young children, especially those who are not fully vaccinated. In babies younger than 1 year old who get pertussis, about half need care in the hospital. The younger the baby, the more likely treatment in the hospital will be needed.