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.)
Pertussis (also known as whooping cough or 100-day cough) is a highly contagious bacterial disease.[10][1] Initially, symptoms are usually similar to those of the common cold with a runny nose, fever, and mild cough. This is then followed by weeks of severe coughing fits.
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.