Case report
32-year-old Muslim physician male with no substantial co-morbidities in his past. He worked as a doctor and resided in Dhaka, Bangladesh. The first instance COVID-19 was discovered on March 8, 2020 in Bangladesh. During this time, the government proclaimed ”lockdown” across the country beginning March 23, 2020. He was participated in nasopharyngeal swab PCR for SARS-CoV-2 collection from patients in the cardiology department for research purposes three months later, on June 28, 2020. He had a nasopharyngeal swab PCR for SARS-CoV-2 before being collected and the results were negative. Before every time collecting the sample, he always takes aseptic precautions such as wearing PPI and drafting, medical masks, gloves, headgear, and work clothing, as well as using an ethanol-based hand sanitizer and washing his hands with soap more than 20 times in a day. After completing the whole collection, he went back to the nasopharyngeal swab PCR for SARS-CoV-2 on August 11, 2020, which came out negative. In total, 36 people tested positive for SARS-CoV-2 throughout this collecting period. In the hospital, he had come into contact with COVID-19 cases. He had no experience of any illnesses like fever or other flu-like symptoms during the time he was collecting the sample. On September 24, 2020, her older brother was diagnosed with COVID-19 as a result of both PCR and HRCT involvement with whom he lives. In this period, he always looks after his brother. He went to the hospital and other workplaces with always a surgical mask and KN95. He always takes a shower after returning from outside activities and he washes his everyday clothes after each visit from outside. According to a WHO report released on December 27, 2020, Bangladesh has a total of 509,148 confirmed cases and 7,452 deaths. He then supplied a COVID-19 sample for travelling to India on January 28, 2021, which was similarly negative the next day. According to a WHO report dated January 25, 2020, India had 10,667,736 confirmed cases and 1,53,470 total deaths. He returned to Bangladesh on January 31, 2021, with a negative covid19 report. On March 10, 2021, he took another covid19 test in preparation for a trip for family reasons, which came back negative the next day. According to a WHO report dated March 8, 2021, Bangladesh had 550,330 illnesses and 8,462 deaths. According to a WHO report dated March 10, 2021, India has 11,244,786 confirmed cases and 157,930 total deaths. The covid19 test for repatriation to Bangladesh was negative on March 17, 2021. Since April 20, 2021, Bangladesh has been on the UK’s and other some countries no-fly list. For entering India from Bangladesh on the dates of 17 April 2021, 30 August 2021, 09 October 2021, 28 October 2021, 30 October 2021, he had to undergo a nasopharyngeal swab PCR for SARS-CoV-2. He had to also again repeat the nasopharyngeal swab PCR for SARS-CoV-2 on the dates of 22 April 2021, 4 September 2021, and 5 November 2021 in order to return to Bangladesh from India. His total of nine sample tests all came back negative. During his stay in India, he constantly wears a double mask and keeps his hands sanitized. He also avoids crowds and prefers to go by private car whenever possible. In this period, some routine blood tests were performed, including a complete blood count, CRP, thyroid test, viral marker for hepatitis and HIV, with normal results. (Table 1). During this time, his relative was diagnosed with COVID-19 on June 24, 2021, and was later hospitalized. During this time, he regularly visited the hospital and interacted with other COVID-19 patients, as it was a COVID-19 specific hospital. He had no symptoms of COVID-19 throughout his entire travel experience. During this timeframe, he also had no additional medication history. He administered the first dose of Moderna COVID-19 Vaccine on July 19, 2021, and completed the second dosage on August 18, 2021.
From the commencement of COVID-19 2020 until November 2021, he took 14 Covid19 tests and was always negative, despite being in close proximity to COVID-19 positive cases and visiting one of the tops most cases identified and mortality countries in the world, Asia.