<p class="title">On May 19, authorities in the town of Mudigere, Chikkamagaluru district, were shocked after the swab sample of a doctor in a Primary Healthcare Centre (PHC) tested positive for COVID-19.</p>.<p class="title">The positive diagnosis immediately set off alarm bells. Authorities scrambled to complete the contact tracing and eventually quarantined a total of 485 primary contacts and 961 secondary contacts of the doctor.</p>.<p class="title">But there was a twist to the drama. Almost all subsequent samples of P-1295 tested negative, which baffled authorities. All 28 close contacts of the doctor also tested negative.</p>.<p class="title"><a href="https://www.deccanherald.com/national/coronavirus-in-india-news-live-updates-total-cases-deaths-covid-19-tracker-today-worldometer-update-lockdown-40-latest-news-838583.html" target="_blank"><strong>Follow live updates on coronavirus here</strong></a></p>.<p class="title">The throat swab sample of the doctor, who had earlier tested positive, has tested negative for COVID-19. He was tested six times. The sample was wrongly diagnosed for Covid-19 on May 19, said Deputy Commissioner Dr Bagadi Gautham, talking about the four confusing days.</p>.<p class="bodytext">Although the doctor tested positive, suspecting something amiss, said the DC, samples of the doctor were tested at the district hospital on May 20. The results were negative.</p>.<p class="bodytext">The next day, a sample was again collected and tested at the hospital. Another negative diagnosis.</p>.<p class="bodytext">Puzzled at the results, samples were sent to labs in Shivamogga and Hassan, where they tested negative.</p>.<p class="bodytext">Not content, the samples were sent to Bengaluru, where two labs threw up two results. </p>.<p>The swab sample was tested at NIMHANS and the result confirmed COVID-19. But the same sample was tested at the NIV, Bengaluru, twice and results were negative, said Gautham.</p>.<p>After the NIV test, the doctor, whose diagnosis mystified authorities, was discharged from hospital. The DC said that all his contacts had been sent back home from quarantine centres.</p>.<p><strong>Positive case turns negative in Udupi</strong></p>.<p>A 17-year-old girl being treated for blood cancer at KMC Manipal has tested negative on Saturday for Covid-19 after testing positive earlier.</p>.<p>As a precautionary measure, the swab samples of the girl, while being admitted to the hospital, was sent to the laboratory at Wenlock for testing.</p>.<p>According to the results made public a few days ago, the girl had tested positive for Covid 19. The swab samples were sent again to KMC lab twice for testing. Both the samples tested negative.</p>
<p class="title">On May 19, authorities in the town of Mudigere, Chikkamagaluru district, were shocked after the swab sample of a doctor in a Primary Healthcare Centre (PHC) tested positive for COVID-19.</p>.<p class="title">The positive diagnosis immediately set off alarm bells. Authorities scrambled to complete the contact tracing and eventually quarantined a total of 485 primary contacts and 961 secondary contacts of the doctor.</p>.<p class="title">But there was a twist to the drama. Almost all subsequent samples of P-1295 tested negative, which baffled authorities. All 28 close contacts of the doctor also tested negative.</p>.<p class="title"><a href="https://www.deccanherald.com/national/coronavirus-in-india-news-live-updates-total-cases-deaths-covid-19-tracker-today-worldometer-update-lockdown-40-latest-news-838583.html" target="_blank"><strong>Follow live updates on coronavirus here</strong></a></p>.<p class="title">The throat swab sample of the doctor, who had earlier tested positive, has tested negative for COVID-19. He was tested six times. The sample was wrongly diagnosed for Covid-19 on May 19, said Deputy Commissioner Dr Bagadi Gautham, talking about the four confusing days.</p>.<p class="bodytext">Although the doctor tested positive, suspecting something amiss, said the DC, samples of the doctor were tested at the district hospital on May 20. The results were negative.</p>.<p class="bodytext">The next day, a sample was again collected and tested at the hospital. Another negative diagnosis.</p>.<p class="bodytext">Puzzled at the results, samples were sent to labs in Shivamogga and Hassan, where they tested negative.</p>.<p class="bodytext">Not content, the samples were sent to Bengaluru, where two labs threw up two results. </p>.<p>The swab sample was tested at NIMHANS and the result confirmed COVID-19. But the same sample was tested at the NIV, Bengaluru, twice and results were negative, said Gautham.</p>.<p>After the NIV test, the doctor, whose diagnosis mystified authorities, was discharged from hospital. The DC said that all his contacts had been sent back home from quarantine centres.</p>.<p><strong>Positive case turns negative in Udupi</strong></p>.<p>A 17-year-old girl being treated for blood cancer at KMC Manipal has tested negative on Saturday for Covid-19 after testing positive earlier.</p>.<p>As a precautionary measure, the swab samples of the girl, while being admitted to the hospital, was sent to the laboratory at Wenlock for testing.</p>.<p>According to the results made public a few days ago, the girl had tested positive for Covid 19. The swab samples were sent again to KMC lab twice for testing. Both the samples tested negative.</p>