Please choose the correct ending to complete the given sentence: Health: [header] How to tell a viral from a bacterial infection [title] Track the length of your illness. [step] In general, viral infections are milder than bacterial infections, but they tend to last longer. You will feel very sick for 1 to 3 days and then you will start to feel better, but some of your symptoms may linger.

Ending1: Keep track of the length and duration of your illness. [substeps] Take your total blood count to determine how long you have been sick. Ending2: When you had a viral infection it might take several weeks to come back to full health. [substeps] In many cases the symptoms are pronounced inexactly in time for 7-12 days, but it won't come back until 4 weeks has passed. Ending3: Symptoms that linger for a week or more may be a virus. [substeps] It's important to stay vigilant and talk to your doctor about antibiotics if symptoms last for a while. Ending4: [step] Viral infections generally last for around 6 to 12 weeks, which means that as long as you get rid of them, they can last anywhere from 4 to 6 months. [substeps] The longer the infection goes on, the worse it gets.

Answer format: ending1/ending2/ending3/ending4