The incubation period for a virus helps public health experts and the government to determine isolation period and other factors.
Production delays, probes by regulators following rare cases of severe side effects, and concerns about its relatively short shelf life compared with other shots have stymied adoption of the company's COVID-19 vaccine.
The British researchers behind one of the significant therapeutic COVID-19 studies have shifted their attention to finding cures for monkeypox, a virus that the World Health Organization has classified as a global health emergency (WHO).
Coronavirus figures of Maharashtra are as follows: Positive cases 80,84,383; fresh cases 1832; death toll 1,48,195; recoveries 79,24,547; active cases 11,641; total tests 8,38,38,036.
With this, Delhi's caseload went up to 19,93,823 and the death toll to 26,420.
The active cases comprise 0.23 per cent of the total infections, while the national COVID-19 recovery rate stands at 98.59 per cent, the ministry said.
The toll due to COVID-19 climbed to 5,27,289 with 36 fatalities, including six deaths reconciled by Kerala, the data updated at 8 am stated.
The findings suggest that in people who develop symptoms, the majority are not infectious before symptoms develop, but two-thirds of cases are still infectious five days after their symptoms begin, notes the study, published in the Lancet Respiratory Medicine journal.
The weakness can be targeted by neutralising antibodies, potentially paving the way for treatments that would be universally effective across variants.
NHS staff will begin vaccinating care home residents and people who are housebound in the first tranche, to be rolled out to others based on age group later.
A recent study has found that BCG TB vaccine can protect people against SARS-CoV-2 and lots of other pathogens.
Officials said patients with comorbidities are being taken to hospitals amid a rise in COVID-19 cases in the national capital, which has seen a roughly two-fold surge in hospitalizations in more than a fortnight.
A US delegation comprising Lacina, US Consul General in Mumbai Mike Hankey, CEO of Novovax Inc Stanley C Erck, and others visited Serum Institute of India (SII) headquarters in Pune and met its CEO Adar Poonawalla to celebrate 75 years of the US-India bilateral partnership.
On Tuesday, V K Saxena, the lieutenant governor of Delhi, emphasised that the pandemic was far from finished and urged people to behave in a Covid-appropriate manner.
Mansukh Mandaviya, the Union Minister of Health, urged states and union territories on Tuesday to use federal funding as soon as possible to improve the healthcare system and hasten the rollout of community-based, people-centered healthcare.
The UK medicines regulator (MHRA) gave the so-called bivalent vaccine made by U.S. drug company Moderna conditional approval as a booster for adults on Monday.
The indigenous intranasal vaccine by Bharat Biotech has been tested as primary dose (2-dose) schedule as well as a heterologous booster dose for subjects who have previously received two doses of Covaxin and Covishield.
Over 3.97 crore children in the age group of 12-14 years have been administered the first dose, while more than 6.14 crore adolescents in the age group 15-18 years have been given the first dose.
Of the 882 new coronavirus cases, only 57 were symptomatic, a Brihanmumbai Municipal Corporation official said.
There has also been a nearly three-fold jump in the number of cases being reported per day in the state.
The death toll climbed to 5,27,037 with 41 fatalities which includes 12 deaths reconciled by Kerala, the data updated at 8 am stated.
Shanghai shut all schools in mid-March before the city's two-month lockdown to combat its worst COVID outbreak in April and May.
Sonia Gandhi had tested positive for COVID-19 in early June as well.
The data updated at 8 am Saturday also showed active cases came down by 4,271 in a span of 24 hours to 1,19,264, constituting 0.27 per cent of the total infections.
Under the shift to a "normal" anti-epidemic system from a "top-level" system, North Korea dropped the mask-wearing obligation and other rules such as limit on service time of commercial and public facilities in all areas except border regions, according to the official KCNA.