Air borne diseases
Air borne diseases Fill in the blanks Tuberculosis is caused by bacterium. BCG vaccination makes on resistant against tuberculosis Measles is caused by bacteria. Chickenpox is caused by a virus. Diphtheria is caused by bacteria.
Air borne diseases Fill in the blanks Tuberculosis is caused by bacterium. BCG vaccination makes on resistant against tuberculosis Measles is caused by bacteria. Chickenpox is caused by a virus. Diphtheria is caused by bacteria.