NEW YORK (TheStreet) -- Shares of companies leveraged to Ebola are rising again after a second health care worker who cared for the first Ebola patient diagnosed in the U.S. tested positive for the illness.

WHAT'S NEW: The Texas Department of State Health Services announced that a second health care worker at Texas Health Presbyterian Hospital has tested positive for the virus after caring for the first Ebola patient diagnosed in the U.S. The woman was quickly transported to an isolation unit at the same hospital where she worked, the department stated.

WHAT'S NOTABLE: Peregrine Pharmaceuticals (PPHM) announced this morning that it will examine bavituximab as a potential treatment for Ebola. The pharmaceutical company's associate research director Cyril Empig said that Peregrine aims to continue looking into the drug in the antiviral arena. He believes that with the rising Ebola focus, there is an opportunity to utilize bavituximab to fight the Ebola virus and develop therapeutics or treatment regimens that could neutralize the ailment. Empig noted that the company is in the process of figuring out a strategy to explore possible applications of bavituximab and PS-targeting antibodies to target Ebola.

OTHERS TO WATCH: Drug companies that are working on experimental Ebola vaccines or treatments in addition to Peregrine include Tekmira (TKMR) , Sarepta (SRPT) - Get Report , BioCryst (BCRX) - Get Report , Chimerix (CMRX) - Get Report and NewLink Genetics (NLNK) - Get Report . Some companies that offer protective clothing and waste disposal which have risen as the Ebola outbreak has gained increased attention include Lakeland Industries (LAKE) - Get Report , Alpha Pro Tech (APT) - Get Report and Sharps Compliance (SMED) - Get Report .

PRICE ACTION: During morning trading, Peregrine Pharmaceuticals rose 18.6%, Tekmira gained 2.5%, Sarepta advanced nearly 6%, BioCryst increased 10.5%, Chimerix was up 2.5%, NewLink Genetics jumped over 8%, Lakeland Industries surged 14.7%, Alpha Pro Tech was up 21% and Sharps Compliance increased almost 1%.

Reporting by Gina Gioldassis.

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