5 killed in blaze at Indian producer of COVID-19 vaccine

Firemen try to douse a fire at Serum Institute of India, the world's largest vaccine maker that is manufacturing the AstraZeneca/Oxford University vaccine for the coronavirus, in Pune, India, Thursday, Jan. 21, 2021. (AP Photo/Rafiq Maqbool)

Employees leave as smoke rises from a fire at Serum Institute of India, the world's largest vaccine maker that is manufacturing the AstraZeneca/Oxford University vaccine for the coronavirus, in Pune, India, Thursday, Jan. 21, 2021. (AP Photo/Rafiq Maqbool)

Firemen try to douse a fire at Serum Institute of India, the world's largest vaccine maker that is manufacturing the AstraZeneca/Oxford University vaccine for the coronavirus, in Pune, India, Thursday, Jan. 21, 2021. (AP Photo/Rafiq Maqbool)

A security man tries to keep people away as smoke rises from a fire at Serum Institute of India, the world's largest vaccine maker that is manufacturing the AstraZeneca/Oxford University vaccine for the coronavirus, in Pune, India, Thursday, Jan. 21, 2021. (AP Photo/Rafiq Maqbool)

Employees leave as smoke rises from a fire at Serum Institute of India, the world's largest vaccine maker that is manufacturing the AstraZeneca/Oxford University vaccine for the coronavirus, in Pune, India, Thursday, Jan. 21, 2021. (AP Photo/Rafiq Maqbool)

Smoke rises from the Serum Institute of India, the world's largest vaccine maker that is manufacturing the AstraZeneca/Oxford University vaccine for the coronavirus, in Pune, India, Thursday, Jan. 21, 2021. (AP Photo/Rafiq Maqbool)

Smoke rises from the Serum Institute of India, the world's largest vaccine maker that is manufacturing the AstraZeneca/Oxford University vaccine for the coronavirus, in Pune, India, Thursday, Jan. 21, 2021. (AP Photo/Rafiq Maqbool)

Employees leave as smoke rises from a fire at Serum Institute of India, the world's largest vaccine maker that is manufacturing the AstraZeneca/Oxford University vaccine for the coronavirus, in Pune, India, Thursday, Jan. 21, 2021. (AP Photo/Rafiq Maqbool)

Employees leave as smoke rises from a fire at Serum Institute of India, the world's largest vaccine maker that is manufacturing the AstraZeneca/Oxford University vaccine for the coronavirus, in Pune, India, Thursday, Jan. 21, 2021. (AP Photo/Rafiq Maqbool)