The Tactical Virology chart is provided by TEMPLAR TITAN, inc. to be used as a tool in viral detection and prevention practices. Templar Titan is committed to being a good Samaritan in the face of global pandemic concerns. A global ally and resource: Templar Titan, Providing Timely Solutions to Complex Scenarios.
| Symptoms | Coronavirus COVID-19 | Flu | Cold | SARS |
| Incubation period | Depends on the form and lasts from 3 to 14 days | 1-2 days | 3-5 days | 3-5 days |
| Deteriorating health | Gradual | Sudden | Gradual | Fast |
| Body Temperature | Sudden jumps in temperature up to 100.4F or higher (looks like a fever) | 102.2-104F stored for 3-4 days | <99.5F | >100.4F |
| Intoxication | Weakness, muscle and joint ache, chills. | Severe chills, pain upon movements, body aches. | Not expressed | It is expressed by fatigue. |
| Runny nose and nasal congestion | Weakness, muscle and joint ache, chills | May appear as a complication on 2-3 day | Appears in the first hours | Appears in the early days |
| Sneezing | Possible | Most often absent | Appears after a cold got active. | Almost always |
| Sore throat | Dry (strong) cough, white coating on the tongue, sore throat, enlarged cervical lymph nodes (usually in children), pain while swallowing, redness. | Appears on day 2-3, accompanied by cough and sometimes chest pain. | Discomfort occurs on the second day | It occurs along with a cough |
| Eye discomfort | Conjunctivitis (eye irritation and infection) is possible. | Photophobia (light sensitivity) , redness often occurs. | No | Rarely – occurs with bacterial infection. |
| Headache | Possible | Almost always | No | Possible – if complications appeared: sinusitis, tonsillitis, bronchitis. |
| Fatigue | Always | Almost always, persists for 2-3 weeks. | No | Possible – while maintaining high temperature for more than a day |
| Insomnia | Possible | Almost always, persists for 2-3 weeks. | No | May occur due to high temperature. |
| Respiratory failure | Shortness of breath could appear at 3-7 day. | Possible | No | No |
| Digestive disorders | Watery diarrhea, vomiting, nausea. | Possible diarrhea | No | No |
| High blood pressure | In severe cases | In severe cases | No | No |
| Heart rate | In severe cases | In severe cases | No | No |
| Do I need to call a doctor? | Required | Required | Not necessary | When symptoms persist or complications occur |
