Providing status of user devices associated with a biohazard

1. A method for execution by one or more processing modules of one or more computing devices, the method comprises:

identifying a first user device potentially associated with a biohazard;

identifying a geographic area associated with the biohazard based on previous location information of the first user device;

identifying a second user device potentially associated with the biohazard based on the geographic area associated with the biohazard and previous location information of the second user device; and

issuing a safety notification to the second user device, wherein the safety notification includes one or more of the geographic area associated with the biohazard, a safety status request, a safety status level of the first user device, a subset of the previous location information of the first user device, and a subset of the previous location information of the second user device;

wherein the identifying the second user device potentially associated with the biohazard based on the geographic area associated with the biohazard and the previous location information of the second user device comprises:

estimating a time period of the biohazard based on one or more of:

timing associated with interpreting a safety status text string generated by the first user device;

timing associated with receiving a signal from a sensor device of the first user device; and

timing associated with interpreting another safety notification with regards to a fourth user device, wherein the other safety notification includes one or more of: a safety status level associated with the fourth user device, another geographic area associated with another biohazard, and previous location information of the first user device, wherein the fourth user device is potentially associated with the other biohazard;

obtaining the previous location information of the second user device by least one of:

receiving the previous location information of the second user device from the second user device;

estimating the previous location information of the second user device based on current location information of the second user device; and

accessing an information server to recover the previous location information of the second user device;

extracting location coordinates history of the second user device for the time period of the biohazard from the previous location information of the second user device; and

selecting the second user device when at least some of the location coordinates history of the second user device for the time period of the biohazard is within the geographic area associated with the biohazard.

2. The method of claim 1 further comprises:

identifying a third user device potentially associated with the biohazard based on the previous location information of the second user device and previous location information of the third user device.

3. The method of claim 1 , wherein the identifying the first user device potentially associated with the biohazard comprises one or more of:

interpreting a safety status text string generated by the first user device;

querying a server with regards to the safety status level associated with the first user device;

interpreting a schedule adherence deviation indicator for the first user device;

interpreting a signal from a sensor device of the first user device; and

interpreting another safety notification with regards to a fourth user device, wherein the other safety notification includes one or more of: a safety status level associated with the fourth user device, another geographic area associated with another biohazard, and previous location information of the first user device, wherein the fourth user device is potentially associated with the other biohazard.

4. The method of claim 1 , wherein the identifying the geographic area associated with the biohazard based on the previous location information of the first user device comprises:

estimating a time period of the biohazard based on one or more of:

timing associated with interpreting a safety status text string generated by the first user device;

timing associated with receiving a signal from a sensor device of the first user device; and

timing associated with interpreting another safety notification with regards to a fourth user device, wherein the other safety notification includes one or more of: a safety status level associated with the fourth user device, another geographic area associated with another biohazard, and previous location information of the first user device, wherein the fourth user device is potentially associated with the other biohazard; and

establishing the geographic area associated with the biohazard by:

obtaining the previous location information of the first user device; and

extracting location coordinates history of the first user device for the time period of the biohazard from the previous location information of the first user device to produce the geographic area associated with the biohazard.

5. The method of claim 1 , wherein the issuing the safety notification to the second user device comprises one or more of:

obtaining the safety status level of the first user device;

identifying a portion of the previous location information of the second user device that is within the geographic area associated with the biohazard to produce the subset of the previous location information of the second user device;

identifying a portion of the previous location information of the first user device that is within the subset of the previous location information of the second user device to produce the subset of the previous location information of the first user device;

generating the safety notification to include one or more of: the geographic area associated with the biohazard, the safety status request, the safety status level of the first user device, the subset of the previous location information of the first user device, and the subset of the previous location information of the second user device; and

sending the safety notification to the second user device.

6. A computing device comprises:

an interface;

a memory; and

a processing module operably coupled to the interface and the memory, wherein the processing module functions to:

identify a first user device potentially associated with a biohazard;

identify a geographic area associated with the biohazard based on previous location information of the first user device;

identify a second user device potentially associated with the biohazard based on the geographic area associated with the biohazard and previous location information of the second user device; and

issue, via the interface, a safety notification to the second user device, wherein the safety notification includes one or more of the geographic area associated with the biohazard, a safety status request, a safety status level of the first user device, a subset of the previous location information of the first user device, and a subset of the previous location information of the second user device,

wherein the processing module functions to identify the second user device potentially associated with the biohazard based on the geographic area associated with the biohazard and the previous location information of the second user device by:

estimating a time period of the biohazard based on one or more of:

timing associated with interpreting a safety status text string generated by the first user device;

timing associated with receiving a signal from a sensor device of the first user device; and

timing associated with interpreting another safety notification with regards to a fourth user device, wherein the other safety notification includes one or more of: a safety status level associated with the fourth user device, another geographic area associated with another biohazard, and previous location information of the first user device, wherein the fourth user device is potentially associated with the other biohazard;

obtaining the previous location information of the second user device by least one of:

receiving, via the interface, the previous location information of the second user device from the second user device;

estimating the previous location information of the second user device based on current location information of the second user device; and

accessing, via the interface, an information server to recover the previous location information of the second user device;

extracting location coordinates history of the second user device for the time period of the biohazard from the previous location information of the second user device; and

selecting the second user device when at least some of the location coordinates history of the second user device for the time period of the biohazard is within the geographic area associated with the biohazard.

7. The computing device of claim 6 , wherein the processing module further functions to:

identify a third user device potentially associated with the biohazard based on the previous location information of the second user device and previous location information of the third user device.

8. The computing device of claim 6 , wherein the processing module functions to identify the first user device potentially associated with the biohazard by one or more of:

interpreting a safety status text string generated by the first user device;

querying, via the interface, a server with regards to the safety status level associated with the first user device;

interpreting a schedule adherence deviation indicator for the first user device;

interpreting a signal from a sensor device of the first user device; and

interpreting another safety notification with regards to a fourth user device, wherein the other safety notification includes one or more of: a safety status level associated with the fourth user device, another geographic area associated with another biohazard, and previous location information of the first user device, wherein the fourth user device is potentially associated with the other biohazard.

9. The computing device of claim 6 , wherein the processing module functions to identify the geographic area associated with the biohazard based on the previous location information of the first user device by:

estimating a time period of the biohazard based on one or more of:

timing associated with interpreting a safety status text string generated by the first user device;

timing associated with receiving a signal from a sensor device of the first user device; and

timing associated with interpreting another safety notification with regards to a fourth user device, wherein the other safety notification includes one or more of: a safety status level associated with the fourth user device, another geographic area associated with another biohazard, and previous location information of the first user device, wherein the fourth user device is potentially associated with the other biohazard; and

establishing the geographic area associated with the biohazard by:

obtaining the previous location information of the first user device; and

extracting location coordinates history of the first user device for the time period of the biohazard from the previous location information of the first user device to produce the geographic area associated with the biohazard.

10. The computing device of claim 6 , wherein the processing module functions to issue the safety notification to the second user device by one or more of:

obtaining, via the interface, the safety status level of the first user device;

identifying a portion of the previous location information of the second user device that is within the geographic area associated with the biohazard to produce the subset of the previous location information of the second user device;

identifying a portion of the previous location information of the first user device that is within the subset of the previous location information of the second user device to produce the subset of the previous location information of the first user device;

generating the safety notification to include one or more of: the geographic area associated with the biohazard, the safety status request, the safety status level of the first user device, the subset of the previous location information of the first user device, and the subset of the previous location information of the second user device; and

sending, via the interface, the safety notification to the second user device.