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Laboratory diagnostic capacity is crucial for an optimal national response to a public health emergency such as the COVID-19 pandemic. Preventing laboratory-acquired infections and the loss of critical human resources, especially during a public health emergency, requires laboratories to have a good biorisk management system in place. In this study, we aimed to evaluate laboratory biosafety and biosecurity in Pakistan during the COVID-19 pandemic. In this cross-sectional study, a self-rated anonymous questionnaire was distributed to laboratory professionals (LPs) working in clinical diagnostic laboratories, including laboratories performing polymerase chain reaction (PCR)-based COVID-19 diagnostic testing in Punjab, Sindh, Khyber Pakhtunkhwa, and Gilgit-Baltistan provinces as well as Islamabad during March 2020 to April 2020. The questionnaire assessed knowledge and perceptions of LPs, resource availability, and commitment by top management in these laboratories. In total, 58.6% of LPs performing COVID-19 testing reported that their laboratory did not conduct a biorisk assessment before starting COVID-19 testing in their facility. Only 31% of LPs were aware that COVID-19 testing could be performed at a biosafety level 2 laboratory, as per the World Health Organization interim biosafety guidelines. A sufficiently high percentage of LPs did not feel confident in their ability to handle COVID-19 samples (32.8%), spills (43.1%), or other accidents (32.8%). These findings demonstrate the need for effective biosafety program implementation, proper training, and establishing competency assessment methods. These findings also suggested that identifying and addressing gaps in existing biorisk management systems through sustainable interventions and preparing LPs for surge capacity is crucial to better address public health emergencies.

High-risk-human papillomavirus (HR-HPV)-induced cervical cancer is the second most common cause of death among females worldwide. HPV16 is the most prevalent HR-HPV infection worldwide. This study found the genotypic distribution of HR-HPV in the local population and investigated the sequence variations among the E6 and E7 oncogenes of the local HPV16 genotype to the E6 and E7 oncogenes of the foreign HPV16 genotypes and constructed a phylogenetic relationship based on nucleotide sequence comparison among the variants identified in our study along with previously reported isolates that were obtained from different regions of the world. The samples were collected from patients with cervical cancer. Genomic DNA was extracted, and HR-HPV genotypes were determined using real-time PCR. The HPV16 E6 and E7 genes were amplified and sequenced. A HPV16 phylogenetic tree was constructed using the maximum likelihood method with MEGA 7. HPV16 was the most prevalent human papillomavirus (HPV) type identified in the present study. HPV16 isolates belonged to the A1 sublineage of the European branch. Twenty-one nucleotide sequences were included in this analysis. The first, second, and third codon positions are also included. The final dataset included 776 positions.

Dengue is an acute arboviral infection common in tropical and subtropical countries. Dengue has been highlighted as a public health concern in the last five decades, affecting almost 50% of the population in developing nations. Dengue infection results in a complex symptomatic disease that ranges from headache, fever, and skin rash to extreme hemorrhage fever and liver dysfunction. The diagnosis of the disease is essential for effective treatment. The early onset of the infection can be detected through viral structural peptides that act as markers for detection, including Pre‐Membrane (Pre‐M) protein. In the currently proposed research, the structural gene obtained from local isolates was targeted for studies. For this purpose, recombinant structural protein Pre‐M was amplified, cloned, and expressed in the bacterial expression system. The expression of the structural protein (Pre‐M) was scrutinized by Sodium Dodecyl Sulphate‐Polyacrylamide Gel Electrophoresis (SDS‐PAGE) and validated by western blot and dot blot, and afterwards, the antigen was purified. The purified Pre‐M protein carries the potential for the development of in‐house diagnostic assay as well as for vaccine production. This study aimed to develop a highly specific, sensitive, and cost‐effective in‐house enzyme‐linked immunoassay (ELISA) for the detection of antibodies of Pakistani most prevalent dengue virus serotype 2 (DENV‐2). The success of this research would also pave the way toward developing novel vaccines for the future prevention of dengue infection.