Pakistan was long considered a low prevalence country for HIV, but the disease is expanding at an alarming rate, particularly among intravenous drug users and sex workers.
With about 20,000 new HIV infections reported in 2017 alone, Pakistan currently has the second fastest growing HIV rates across Asia, according to the UN.
Pakistan's surging population also suffers the additional burden of having insufficient access to quality healthcare following decades of under-investment by the state, leaving impoverished, rural communities especially vulnerable to unqualified medical practitioners.
"According to some government reports, around 600,000 quack doctors are operating across the country and around 270,000 are practicing in the province of Sindh," said UNAIDS in a statement.
Provincial health officials have also noted that patients are at particular risk of contracting diseases or viruses at these clinics, where injections are often pushed as a primary treatment option.
"For the sake of saving money, these quacks will inject multiple patients with a single syringe. This could be the main cause of the spread of HIV cases," said Sikandar Memon, provincial programme manager of the Sindh Aids Control Programme.
The large number of unqualified doctors along with the "reuse of syringes, unsafe blood transfusions, and other unsafe medical practices" have all led to the spike in HIV cases in recent years, explains Bushra Jamil, an expert on infectious diseases at the Aga Khan University in Karachi.