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;

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

timing associated with a change in a safety status level of the first user device,

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

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

obtaining previous location information of a third user device by least one of:

receiving the previous location information of the third user device,

estimating the previous location information of the third user device based on current location information of the third user device, and

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

identifying the third user device as potentially associated with the biohazard based on the geographic area associated with the biohazard and the previous location information of the third user device when at least some of location coordinates history of the third user device for at least some of the time period of the biohazard is within the geographic area associated with the biohazard, wherein the previous location information of the third user device includes the location coordinates history of the third user device; and

issuing a safety notification to the third user device, wherein the safety notification includes one or more of the geographic area associated with the biohazard, a safety status request, the 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 third user device.

2 . The method of claim 1 further comprises:

identifying a fourth user device potentially associated with the biohazard based on the previous location information of the third user device and previous location information of the fourth 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 the safety status level of the first user device;

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

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

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

interpreting the second safety notification with regards to the second user device.

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:

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 identifying the third user device as potentially associated with the biohazard further comprises:

extracting the location coordinates history of the third user device for the time period of the biohazard from the previous location information of the third user device.

6 . The method of claim 1 , wherein the issuing the safety notification to the third 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 third user device that is within the geographic area associated with the biohazard to produce the subset of the previous location information of the third 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 third 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 third user device; and

sending the safety notification to the third user device.

7 . A computing device comprises:

an interface;

a memory; and

a processing module operably coupled to the interface and the memory, wherein the processing module performs 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;

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

timing associated with a change in a safety status level of the first user device,

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

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

obtain previous location information of a third user device by least one of:

receiving the previous location information of the third user device,

estimating the previous location information of the third user device based on current location information of the third user device, and

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

identify the third user device as potentially associated with the biohazard based on the geographic area associated with the biohazard and the previous location information of the third user device when at least some of location coordinates history of the third user device for at least some of the time period of the biohazard is within the geographic area associated with the biohazard, wherein the previous location information of the third user device includes the location coordinates history of the third user device; and

issue, via the interface, a safety notification to the third user device, wherein the safety notification includes one or more of the geographic area associated with the biohazard, a safety status request, the 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 third user device.

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

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

9 . The computing device of claim 7 , wherein the processing module performs functions to identify the first user device potentially associated with the biohazard by one or more of:

interpreting the safety status level of the first user device;

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

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

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

interpreting the second safety notification with regards to the second user device.

10 . The computing device of claim 7 , wherein the processing module performs functions to identify the geographic area associated with the biohazard based on the previous location information of the first user device 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.

11 . The computing device of claim 7 , wherein the processing module further performs functions to identify the third user device as potentially associated with the biohazard by:

extracting the location coordinates history of the third user device for the time period of the biohazard from the previous location information of the third user device.

12 . The computing device of claim 7 , wherein the processing module performs functions to issue the safety notification to the third 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 third user device that is within the geographic area associated with the biohazard to produce the subset of the previous location information of the third 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 third 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 third user device; and

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