The USDA bans Mexican cattle imports after screwworm discovery, prompting Texas officials to warn about the parasite's threat ...

The eggs hatch into painful larvae, and then maggots “screw into flesh with sharp mouth hooks” leading to a parasitic infection. TPWD officials said female screwworm flies are drawn to the ...

Screwworms can devastate livestock herds. The discovery of a single screwworm infection among cattle in Mexico a few weeks ago has raised concerns that an infestation could happen in Texas ...

With screwworms advancing northward into Mexico, veterinarians must prepare for the possibility of widespread infestations ...

Signs of screwworm infection can include irritated or depressed behavior, loss of appetite, head shaking, smell of decaying ...

The screwworm has been 'progressively' migrating ... Infestations can also be visible on the skin. Infections can be deadly and are often serious. The New York Times reported in 1977 that ...

After the recent discovery of New World screwworm (NWS) infection in a cow located in Southern Mexico, the United States federal government has begun to take action to prevent NWS from entering the ...

As a result, the region’s fight against the spread of the New World Screwworm (NWS) is expected to take a hit. Minister of ...

In June, Costa Rica reported its first human death attributed to the New World screwworm (Cochliomyia hominivorax) infection since at least the 1990s. While screwworms primarily affect animals, this ...