: Is rabies contagious? Is the rabies disease contagious, that is can it spread from one human to other by means of sharing food? If not, through what means does can spread, and what are the measures and precautions that

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Yes, rabies is most definitely contagious.

The most common route of infection is from the bite of an infected animal, which introduces virus-laden saliva to the victim. It's also possible, though much less likely, to be exposed to infective saliva in the eyes, nose and mouth.

The CDC claims that a person-to-person transmission of the virus via bite is theoretically possible, but has not been documented:

...bite and non-bite exposures inflicted by infected humans could theoretically transmit rabies, but no such cases have been documented.

There has however been person-to-person transmission of the virus through organ transplants, also documented here.

In terms of avoiding spreading the disease, the routes of transmission suggest several clear methods:

Avoiding contact with wild animals, or domestic animals in rabies endemic areas showing signs of infection, such as hydrophobia or aggressive behavior.
Vaccinating animal populations to interrupt transmission of the virus within wildlife.
Postexposure prophylaxis for people who have come in contact with a potentially infectious animal.
Screening of organ donors for rabies.