Are swollen glands in the throat indicative of a possible covid infection or more likely bacterial?

Neither: Swollen glands are a symptom common to any germ trying to invade the upper airway/throat. Some differentiation can be made on physical exam that includes other areas but specific testing is required to assess which causes need treatment.

Throat pain : Great question. You should see a doctor via telemedicine. Bacterial strep throat has these symptoms No cough, white discharge on the tonsils and throat, enlarged lymph nodes, fever, and usually found in people under the age of 15. COVID can cause a fever, cough, and sore throat, the COVID throat looks much different from strep throat. COIVD 19 throats are often beet red with pockets swelling

Not specific: Any throat infection can result in enlargement of tonsils and cervical lymph glands. Have a healthy diet, exercise 30 minutes/day, drink plenty of water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. For nutrition: http://www.choosemyplate.gov/. Get HPV and Covid vaccines. Wish you good health!