Appears to be strong cold, 5 days now. Caught during visit to Puerto Vallarta Mexico. Early on, felt feverish, but not obviously overheated. Stiff shoulder and neck muscles, since having receded. Head congestion, runny nose, breathing difficulties through nose. Chest congestion, nominal phlem during coughing. One eye is bloodshot and has itchy feeling. Both eyes watery. Age 68, in good health overall. Good blood pressure at all previous measurings.