It is impossible to objectively verify this claim since this claim was made by a news organisations which reports against China and Pakistan.
The report quoted multiple intelligence sources saying that China’s Wuhan Institute of Virology provided training on manipulating pathogens and bio-informatics to Pakistani scientists to develop its virus collection database.
Pakistan Foreign Office described the article as a politically motivated and fake story and said they composed it by misinterpreting facts and quoted anonymous sources.
However, there are no credible sources to prove that China and Pakistan are involved in preparing a bioweapon.
The COVID-19 pandemic has given rise to a lot of potentially dangerous misinformation. For reliable advice on COVID-19 including symptoms, prevention and available treatment, please refer to the World Health Organisation or your national healthcare authority.