Introduction. The risk for Mycobacterium tuberculosis transmission among healthcare workers (HCWs) has been well known for many years. The kind of job and the incidence of tuberculosis (TB) in the community conditions the risk of TB infection among HCWs.ntroduction. The risk for Mycobacterium tuberculosis transmission among healthcare workers (HCWs) has been well known for many years. The kind of job and the incidence of tuberculosis (TB) in the community conditions the risk of TB infection among HCWs.
Keep for 1 month: utility bills, deposit and withdrawal records. If youâre self-employed, you may need your utility, cable and cell phone bills for tax purposes. Otherwise, you can dispose of them as soon as you verify your payment was processed.
How Long You Should Keep Tax Records. To be on the safe side, keep your tax records for a minimum of three years or whenever the statute of limitations runs out for filing returns or refunds, whether youâre claiming personal deductions or keeping receipts for business expenses.